XC7Z020-1CLG484C [XILINX]
Multifunction Peripheral, CMOS, PBGA484, BGA-484;
| 型号： | XC7Z020-1CLG484C |
| 厂家： | 
XILINX, INC |
| 描述： | Multifunction Peripheral, CMOS, PBGA484, BGA-484 时钟 以太网：16GBASE-T |
| 文件： | 总25页 (文件大小：667K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Zynq-7000 SoC Data Sheet: Overview
DS190 (v1.11.1) July 2, 2018
Product Specification
Zynq-7000 SoC First Generation Architecture
The Zynq®-7000 family is based on the Xilinx SoC architecture. These products integrate a feature-rich dual-core or single-core ARM®
Cortex™-A9 based processing system (PS) and 28 nm Xilinx programmable logic (PL) in a single device. The ARM Cortex-A9 CPUs are
the heart of the PS and also include on-chip memory, external memory interfaces, and a rich set of peripheral connectivity interfaces.
Processing System (PS)
ARM Cortex-A9 Based
Application Processor Unit (APU)
I/O Peripherals and Interfaces
•
Two 10/100/1000 tri-speed Ethernet MAC peripherals with
IEEE Std 802.3 and IEEE Std 1588 revision 2.0 support
•
•
•
•
2.5 DMIPS/MHz per CPU
CPU frequency: Up to 1 GHz
Coherent multiprocessor support
ARMv7-A architecture
•
•
•
Scatter-gather DMA capability
Recognition of 1588 rev. 2 PTP frames
GMII, RGMII, and SGMII interfaces
•
Two USB 2.0 OTG peripherals, each supporting up to 12 Endpoints
•
•
TrustZone® security
Thumb®-2 instruction set
•
•
USB 2.0 compliant device IP core
Supports on-the-go, high-speed, full-speed, and low-speed
modes
•
•
•
•
•
Jazelle® RCT execution Environment Architecture
NEON™ media-processing engine
Single and double precision Vector Floating Point Unit (VFPU)
CoreSight™ and Program Trace Macrocell (PTM)
Timer and Interrupts
•
•
•
•
•
Intel EHCI compliant USB host
8-bit ULPI external PHY interface
•
Two full CAN 2.0B compliant CAN bus interfaces
•
CAN 2.0-A and CAN 2.0-B and ISO 118981-1 standard
Three watchdog timers
One global timer
Two triple-timer counters
compliant
•
External PHY interface
•
•
•
•
•
Two SD/SDIO 2.0/MMC3.31 compliant controllers
Two full-duplex SPI ports with three peripheral chip selects
Two high-speed UARTs (up to 1 Mb/s)
Caches
•
•
•
32 KB Level 1 4-way set-associative instruction and data caches
(independent for each CPU)
512 KB 8-way set-associative Level 2 cache
(shared between the CPUs)
Byte-parity support
Two master and slave I2C interfaces
GPIO with four 32-bit banks, of which up to 54 bits can be used with
the PS I/O (one bank of 32b and one bank of 22b) and up to 64 bits
(up to two banks of 32b) connected to the Programmable Logic
Up to 54 flexible multiplexed I/O (MIO) for peripheral pin assignments
•
On-Chip Memory
Interconnect
•
•
•
•
•
•
On-chip boot ROM
256 KB on-chip RAM (OCM)
Byte-parity support
High-bandwidth connectivity within PS and between PS and PL
ARM AMBA® AXI based
QoS support on critical masters for latency and bandwidth control
External Memory Interfaces
•
Multiprotocol dynamic memory controller
•
16-bit or 32-bit interfaces to DDR3, DDR3L, DDR2, or LPDDR2
memories
•
•
ECC support in 16-bit mode
1GB of address space using single rank of 8-, 16-, or 32-bit-wide
memories
•
Static memory interfaces
•
•
•
8-bit SRAM data bus with up to 64 MB support
Parallel NOR flash support
ONFI1.0 NAND flash support (1-bit ECC)
•
1-bit SPI, 2-bit SPI, 4-bit SPI (quad-SPI), or two quad-SPI (8-bit)
serial NOR flash
8-Channel DMA Controller
•
Memory-to-memory, memory-to-peripheral, peripheral-to-memory,
and scatter-gather transaction support
© Copyright 2012–2018 Xilinx, Inc., Xilinx, the Xilinx logo, Artix, ISE, Kintex, Spartan, Virtex, Vivado, Zynq, and other designated brands included herein are trademarks of Xilinx
in the United States and other countries. AMBA, AMBA Designer, ARM, ARM Cortex-A9, CoreSight, Cortex, and PrimeCell are trademarks of ARM in the EU and other countries.
PCI, PCIe, and PCI Express are trademarks of PCI-SIG and used under license. All other trademarks are the property of their respective owners.
DS190 (v1.11.1) July 2, 2018
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Product Specification
1
Zynq-7000 SoC Data Sheet: Overview
JTAG Boundary-Scan
Programmable Logic (PL)
•
IEEE Std 1149.1 Compatible Test Interface
Configurable Logic Blocks (CLB)
PCI Express® Block
•
•
•
Look-up tables (LUT)
Flip-flops
Cascadeable adders
•
•
•
Supports Root complex and End Point configurations
Supports up to Gen2 speeds
Supports up to 8 lanes
36 Kb Block RAM
Serial Transceivers
•
•
•
True Dual-Port
Up to 72 bits wide
Configurable as dual 18 Kb block RAM
•
•
Up to 16 receivers and transmitters
Supports up to 12.5 Gb/s data rates
DSP Blocks
Two 12-Bit Analog-to-Digital Converters
•
•
•
18 x 25 signed multiply
48-bit adder/accumulator
25-bit pre-adder
•
•
•
On-chip voltage and temperature sensing
Up to 17 external differential input channels
One million samples per second maximum conversion rate
Programmable I/O Blocks
•
•
•
Supports LVCMOS, LVDS, and SSTL
1.2V to 3.3V I/O
Programmable I/O delay and SerDes
Feature Summary
Table 1: Zynq-7000 and Zynq-7000S SoCs
Device Name
Part Number
Z-7007S
Z-7012S
Z-7014S
Z-7010
Z-7015
Z-7020
Z-7030
Z-7035
Z-7045
Z-7100
XC7Z007S XC7Z012S XC7Z014S
XC7Z010
XC7Z015
XC7Z020
XC7Z030
XC7Z035
XC7Z045
XC7Z100
Processor Core
Single-core ARM Cortex-A9
MPCore™ with CoreSight™
Dual-core ARM Cortex-A9 MPCore™ with CoreSight™
Processor Extensions
Maximum Frequency
NEON™ & Single / Double Precision Floating Point for each processor
667 MHz (-1); 766 MHz (-2)
667 MHz (-1); 766 MHz (-2); 866 MHz (-3) 667 MHz (-1); 800 MHz (-2); 1 GHz (-3) 667 MHz (-1)
800 MHz (-2)
L1 Cache
32 KB Instruction, 32 KB data per processor
L2 Cache
512 KB
On-Chip Memory
External Memory
256 KB
DDR3, DDR3L, DDR2, LPDDR2
(1)
Support
External Static Memory 2x Quad-SPI, NAND, NOR
(1)
Support
DMA Channels
8 (4 dedicated to Programmable Logic)
(1)
Peripherals
2x UART, 2x CAN 2.0B, 2x I2C, 2x SPI, 4x 32b GPIO
Peripherals w/
2x USB 2.0 (OTG), 2x Tri-mode Gigabit Ethernet, 2x SD/SDIO
(1)
built-in DMA
(2)
Security
RSA Authentication, and AES and SHA 256-bit Decryption and Authentication for Secure Boot
2x AXI 32b Master 2x AXI 32-bit Slave
4x AXI 64-bit/32-bit Memory
AXI 64-bit ACP
Processing System to
Programmable Logic
Interface Ports
(Primary Interfaces &
Interrupts Only)
16 Interrupts
DS190 (v1.11.1) July 2, 2018
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Product Specification
2
Zynq-7000 SoC Data Sheet: Overview
Table 1: Zynq-7000 and Zynq-7000S SoCs (Cont’d)
Device Name
Part Number
Z-7007S
Z-7012S
Z-7014S
Z-7010
Z-7015
Z-7020
Z-7030
Z-7035
Z-7045
Z-7100
XC7Z007S XC7Z012S XC7Z014S
XC7Z010
XC7Z015
XC7Z020
XC7Z030
XC7Z035
XC7Z045
XC7Z100
Xilinx 7 Series
Programmable Logic
Equivalent
Artix®-7
FPGA
Artix-7
FPGA
Artix-7
FPGA
Artix-7
FPGA
Artix-7
FPGA
Artix-7
FPGA
Kintex®-7
FPGA
Kintex-7
FPGA
Kintex-7
FPGA
Kintex-7
FPGA
Programmable Logic
Cells
23K
55K
65K
28K
74K
85K
125K
275K
350K
444K
Look-Up Tables (LUTs)
Flip-Flops
14,400
28,800
34,400
68,800
40,600
81,200
17,600
35,200
46,200
92,400
53,200
78,600
171,900
343,800
218,600
437,200
277,400
554,800
106,400
157,200
Block RAM
(# 36 Kb Blocks)
1.8 Mb
(50)
2.5 Mb
(72)
3.8 Mb
(107)
2.1 Mb
(60)
3.3 Mb
(95)
4.9 Mb
(140)
9.3 Mb
(265)
17.6 Mb
(500)
19.2 Mb
(545)
26.5 Mb
(755)
DSP Slices
(18x25 MACCs)
66
120
170
80
160
220
400
900
900
2,020
Peak DSP
Performance
(Symmetric FIR)
73
GMACs
131
GMACs
187
GMACs
100
GMACs
200
GMACs
276
GMACs
593
GMACs
1,334
GMACs
1,334
GMACs
2,622
GMACs
PCI Express
(Root Complex or
Gen2 x4
Gen2 x4
Gen2 x4
Gen2 x8
Gen2 x8
Gen2 x8
(3)
Endpoint)
Analog Mixed Signal
(AMS) / XADC
2x 12 bit, MSPS ADCs with up to 17 Differential Inputs
AES and SHA 256b for Boot Code and Programmable Logic Configuration, Decryption, and Authentication
(2)
Security
Notes:
1. Restrictions apply for CLG225 package. Refer to the UG585, Zynq-7000 SoC Technical Reference Manual (TRM) for details.
2. Security is shared by the Processing System and the Programmable Logic.
3. Refer to PG054, 7 Series FPGAs Integrated Block for PCI Express for PCI Express support in specific devices.
DS190 (v1.11.1) July 2, 2018
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Product Specification
3
Zynq-7000 SoC Data Sheet: Overview
Table 2: Device-Package Combinations: Maximum I/Os and GTP and GTX Transceivers
(1)
(2)
(2)
Package
CLG225
13 x 13 mm
0.8 mm
CLG400
17 x 17 mm
0.8 mm
CLG484
19 x 19 mm
0.8 mm
CLG485
SBG485
Size
19 x 19 mm
0.8 mm
19 x 19 mm
0.8 mm
Ball Pitch
Transceiver
Speed (max)
6.25 Gb/s
6.6 Gb/s
SelectIO
SelectIO
SelectIO
SelectIO
SelectIO
(3)
(3)
(3)
(3)
(3)
Device
PS I/O
PS I/O
PS I/O
PS I/O
GTP
PS I/O
GTX
(4)
(5)
(4)
(5)
(4)
(5)
(4)
(5)
(4)
(5)
HR
54
HP
HR
100
HP
HR
HP
HR
HP
HR
HP
XC7Z007S
XC7Z012S
XC7Z014S
XC7Z010
XC7Z015
XC7Z020
XC7Z030
XC7Z035
XC7Z045
XC7Z100
84
–
128
–
128
4
150
–
–
128
128
125
100
–
–
128
128
200
–
–
84
54
–
128
4
150
128
125
–
200
128
4
50
100
Notes:
1. All packages listed are Pb-free (SBG485 with exemption 15). Some packages are available with a Pb option.
2. The Z-7012S and Z-7015 devices in the CLG485 package and the Z-7030 device in the SBG485 package are pin-to-pin compatible.
3. PS I/O count does not include dedicated DDR calibration pins.
4. HR = High Range I/O with support for I/O voltage from 1.2V to 3.3V.
5. HP = High Performance I/O with support for I/O voltage from 1.2V to 1.8V.
Table 3: Device-Package Combinations: Maximum I/Os and GTP and GTX Transceivers (Cont’d)
(1)
Package
FBG484
23 x 23 mm
1.0 mm
FBG676
27 x 27 mm
1.0 mm
FFG676
27 x 27 mm
1.0 mm
FFG900
31 x 31 mm
1.0 mm
FFG1156
35 x 35 mm
1.0 mm
Size
Ball Pitch
Transceiver
Speed (max)
6.6 Gb/s
6.6 Gb/s
12.5 Gb/s
12.5 Gb/s
10.3 Gb/s
SelectIO
SelectIO
SelectIO
SelectIO
SelectIO
(2)
(2)
(2)
(2)
(2)
Device
PS I/O
GTX
PS I/O
GTX
PS I/O
GTX
PS I/O
GTX
PS I/O
GTX
(3)
(4)
(3)
(4)
(3)
(4)
(3)
(4)
(3)
(4)
HR
HP
HR
HP
HR
HP
HR
HP
HR
HP
XC7Z007S
XC7Z012S
XC7Z014S
XC7Z010
XC7Z015
XC7Z020
XC7Z030
XC7Z035
XC7Z045
XC7Z100
128
4
100
63
128
128
128
4
8
8
100
150
128
128
128
4
8
8
100
150
150
150
100
100
150
150
100
100
128
128
128
16
16
16
212
150
150
150
212
212
128
16
250
150
Notes:
1. All packages listed are Pb-free (FBG and FFG with exemption 15). Some packages are available with a Pb option.
2. PS I/O count does not include dedicated DDR calibration pins.
3. HR = High Range I/O with support for I/O voltage from 1.2V to 3.3V.
4. HP = High Performance I/O with support for I/O voltage from 1.2V to 1.8V.
DS190 (v1.11.1) July 2, 2018
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Product Specification
4
Zynq-7000 SoC Data Sheet: Overview
Zynq-7000 Family Description
The Zynq-7000 family offers the flexibility and scalability of an FPGA, while providing performance, power, and ease of use
typically associated with ASIC and ASSPs. The range of devices in the Zynq-7000 family allows designers to target
cost-sensitive as well as high-performance applications from a single platform using industry-standard tools. While each
device in the Zynq-7000 family contains the same PS, the PL and I/O resources vary between the devices. As a result, the
Zynq-7000 and Zynq-7000S SoCs are able to serve a wide range of applications including:
•
•
•
•
•
•
•
•
Automotive driver assistance, driver information, and infotainment
Broadcast camera
Industrial motor control, industrial networking, and machine vision
IP and Smart camera
LTE radio and baseband
Medical diagnostics and imaging
Multifunction printers
Video and night vision equipment
The Zynq-7000 architecture enables implementation of custom logic in the PL and custom software in the PS. It allows for
the realization of unique and differentiated system functions. The integration of the PS with the PL allows levels of
performance that two-chip solutions (e.g., an ASSP with an FPGA) cannot match due to their limited I/O bandwidth, latency,
and power budgets.
Xilinx offers a large number of soft IP for the Zynq-7000 family. Stand-alone and Linux device drivers are available for the
peripherals in the PS and the PL. The Vivado® Design Suite development environment enables a rapid product
development for software, hardware, and systems engineers. Adoption of the ARM-based PS also brings a broad range of
third-party tools and IP providers in combination with Xilinx’s existing PL ecosystem.
The inclusion of an application processor enables high-level operating system support, e.g., Linux. Other standard operating
systems used with the Cortex-A9 processor are also available for the Zynq-7000 family.
The PS and the PL are on separate power domains, enabling the user of these devices to power down the PL for power
management if required. The processors in the PS always boot first, allowing a software centric approach for PL
configuration. PL configuration is managed by software running on the CPU, so it boots similar to an ASSP.
DS190 (v1.11.1) July 2, 2018
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Product Specification
5
Zynq-7000 SoC Data Sheet: Overview
Figure 1 illustrates the functional blocks of the Zynq-7000 architecture. For more information on the functional blocks, see
UG585, Zynq-7000 SoC Technical Reference Manual.
X-Ref Target - Figure 1
Zynq-7000 SoC
Processing System
I/O
Peripherals
Application Processor Unit
Clock
Generation
Reset
SWDT
USB
USB
FPU and NEON Engine
FPU and NEON Engine
TTC
2x USB
2x GigE
2x SD
ARM Cortex-A9
CPU
ARM Cortex-A9
CPU
MMU
32 KB
MMU
System-
Level
Control
Regs
GigE
GigE
32 KB
32 KB
I-Cache
32 KB
D-Cache
SD
I-Cache
D-Cache
SDIO
IRQ
SD
GIC
Snoop Controller, AWDT, Timer
512 KB L2 Cache & Controller
SDIO
DMA 8
Channel
GPIO
UART
UART
CAN
CAN
I2C
256K
OCM
Interconnect
SRAM
I2C
Memory
SPI
SPI
Central
Interconnect
Interfaces
DDR2/3,
DDR3L,
LPDDR2
Controller
CoreSight
Components
Memory
Interfaces
SRAM/
NOR
DAP
ONFI 1.0
NAND
Programmable Logic to
DevC
Memory Interconnect
Q-SPI
CTRL
Config
AES/
SHA
EMIO
General-Purpose
DMA IRQ
Sync
High-Performance Ports
Programmable Logic
ACP
XADC
12-Bit ADC
Ports
SelectIO
Resources
Notes:
1) Arrow direction shows control (master to slave)
2) Data flows in both directions: AXI 32-Bit/64-Bit, AXI 64-Bit, AXI 32-Bit, AHB 32-Bit, APB 32-Bit, Custom
3) Dashed line box indicates 2nd processor in dual-core devices
DS190_01_070218
Figure 1: Architectural Overview
DS190 (v1.11.1) July 2, 2018
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Product Specification
6
Zynq-7000 SoC Data Sheet: Overview
Processor System Description
As shown in Figure 1, the PS comprises four major blocks:
•
•
•
•
Application processor unit (APU)
Memory interfaces
I/O peripherals (IOP)
Interconnect
Application Processor Unit (APU)
The key features of the APU include:
•
Dual-core or single-core ARM Cortex-A9 MPCores. Features associated with each core include:
•
•
2.5 DMIPS/MHz
Operating frequency range:
-
-
-
-
Z-7007S/Z-7012S/Z-7014S (wire bond): Up to 667 MHz (-1); 766 MHz (-2)
Z-7010/Z-7015/Z-7020 (wire bond): Up to 667 MHz (-1); 766 MHz (-2); 866 MHz (-3)
Z-7030/Z-7035/Z-7045 (flip-chip): 667 MHz (-1); 800 MHz (-2); 1GHz (-3)
Z-7100 (flip-chip): 667 MHz (-1); 800 MHz (-2)
•
•
•
•
•
Ability to operate in single processor, symmetric dual processor, and asymmetric dual processor modes
Single and double precision floating point: up to 2.0 MFLOPS/MHz each
NEON media processing engine for SIMD support
Thumb®-2 support for code compression
Level 1 caches (separate instruction and data, 32 KB each)
-
-
4-way set-associative
Non-blocking data cache with support for up to four outstanding read and write misses each
•
•
Integrated memory management unit (MMU)
TrustZone® for secure mode operation
•
•
Accelerator coherency port (ACP) interface enabling coherent accesses from PL to CPU memory space
Unified Level 2 cache (512 KB)
•
•
8-way set-associative
TrustZone enabled for secure operation
•
•
Dual-ported, on-chip RAM (256 KB)
•
•
Accessible by CPU and programmable logic (PL)
Designed for low latency access from the CPU
8-channel DMA
•
Supports multiple transfer types: memory-to-memory, memory-to-peripheral, peripheral-to-memory, and
scatter-gather
•
•
•
•
64-bit AXI interface, enabling high throughput DMA transfers
4 channels dedicated to PL
TrustZone enabled for secure operation
Dual register access interfaces enforce separation between secure and non-secure accesses
DS190 (v1.11.1) July 2, 2018
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Product Specification
7
Zynq-7000 SoC Data Sheet: Overview
•
•
Interrupts and Timers
•
•
•
General interrupt controller (GIC)
Three watch dog timers (WDT) (one per CPU and one system WDT)
Two triple timers/counters (TTC)
CoreSight debug and trace support for Cortex-A9
•
•
Program trace macrocell (PTM) for instruction and trace
Cross trigger interface (CTI) enabling hardware breakpoints and triggers
Memory Interfaces
The memory interface unit includes a dynamic memory controller and static memory interface modules. The dynamic
memory controller supports DDR3, DDR3L, DDR2, and LPDDR2 memories. The static memory controllers support a NAND
flash interface, a Quad-SPI flash interface, a parallel data bus, and a parallel NOR flash interface.
Dynamic Memory Interfaces
The multi-protocol DDR memory controller can be configured to provide 16-bit or 32-bit-wide accesses to a 1 GB address
space using a single rank configuration of 8-bit, 16-bit or 32-bit DRAM memories. ECC is supported in 16-bit bus access
mode. The PS incorporates both the DDR controller and the associated PHY, including its own set of dedicated I/Os. Speed
of up to 1333 Mb/s for DDR3 is supported.
The DDR memory controller is multi-ported and enables the processing system and the programmable logic to have shared
access to a common memory. The DDR controller features four AXI slave ports for this purpose:
•
•
•
One 64-bit port is dedicated for the ARM CPU(s) via the L2 cache controller and can be configured for low latency.
Two 64-bit ports are dedicated for PL access.
One 64-bit AXI port is shared by all other AXI masters via the central interconnect.
Static Memory Interfaces
The static memory interfaces support external static memories:
•
•
•
•
8-bit SRAM data bus supporting up to 64 MB
8-bit parallel NOR flash supporting up to 64 MB
ONFi 1.0 NAND flash support with 1-bit ECC
1-bit SPI, 2-bit SPI, 4-bit SPI (quad-SPI), or two quad-SPI (8-bit) serial NOR flash
I/O Peripherals (IOP)
The IOP unit contains the data communication peripherals. Key features of the IOP include:
•
•
Two 10/100/1000 tri-mode Ethernet MAC peripherals with IEEE Std 802.3 and IEEE Std 1588 revision 2.0 support
•
•
•
Scatter-gather DMA capability
Recognition of 1588 rev. 2 PTP frames
Supports an external PHY interface
Two USB 2.0 OTG peripherals, each supporting up to 12 endpoints
•
•
•
•
•
Supports high-speed and full-speed modes in Host, device, and On-The-Go configuration
Fully USB 2.0 compliant, Host, and Device IP core
Uses 32-bit AHB DMA master and AHB slave interfaces
Provides an 8-bit ULPI external PHY interface
Intel EHCI compliant USB host controller registers and data structures
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Product Specification
8
Zynq-7000 SoC Data Sheet: Overview
•
Two full CAN 2.0B compliant CAN bus interface controllers
•
•
•
CAN 2.0-B standard as defined by BOSCH Gmbh
ISO 118981-1
An external PHY interface
•
•
•
•
•
Two SD/SDIO 2.0 compliant SD/SDIO controllers with built-in DMA
Two full-duplex SPI ports with three peripheral chip selects
Two UARTs
Two master and slave I2C interfaces
Up to 118 GPIO bits
Using the TrustZone system, the two Ethernet, two SDIO, and two USB ports (all master devices) can be configured to be
secure or non-secure.
The IOP peripherals communicate to external devices through a shared pool of up to 54 dedicated multiuse I/O (MIO) pins.
Each peripheral can be assigned one of several pre-defined groups of pins, enabling a flexible assignment of multiple
devices simultaneously. Although 54 pins are not enough for simultaneous use of all the I/O peripherals, most IOP interface
signals are available to the PL, allowing use of standard PL I/O pins when powered up and properly configured. All MIO pins
support 1.8V HSTL and LVCMOS standards as well as 2.5V/3.3V standards.
Interconnect
The APU, memory interface unit, and the IOP are all connected to each other and to the PL through a multilayered ARM
AMBA AXI interconnect.The interconnect is non-blocking and supports multiple simultaneous master-slave transactions.
The interconnect is designed with latency sensitive masters, such as the ARM CPU, having the shortest paths to memory,
and bandwidth critical masters, such as the potential PL masters, having high throughput connections to the slaves with
which they need to communicate.
Traffic through the interconnect can be regulated through the Quality of Service (QoS) block in the interconnect. The QoS
feature is used to regulate traffic generated by the CPU, DMA controller, and a combined entity representing the masters in
the IOP.
PS Interfaces
PS External Interfaces
The PS external interfaces use dedicated pins that cannot be assigned as PL pins. These include:
•
•
Clock, reset, boot mode, and voltage reference
Up to 54 dedicated multiuse I/O (MIO) pins, software-configurable to connect to any of the internal I/O peripherals and
static memory controllers
•
32-bit or 16-bit DDR2/DDR3/DDR3L/LPDDR2 memories
MIO Overview
The function of the MIO is to multiplex access from the PS peripheral and static memory interfaces to the PS pins as defined
in the configuration registers. There are up to 54 pins available for use by the IOP and static memory interfaces in the PS.
Table 4 shows where the different peripherals pins can be mapped. A block diagram of the MIO module is shown in Figure 2.
If additional I/O pins beyond the 54 are required, it is possible to route these through the PL to the I/O associated with the
PL. This feature is referred to as extendable multiplexed I/O (EMIO).
Port mappings can appear in multiple locations. For example, there are up to 12 possible port mappings for CAN pins. The
PS Configuration Wizard (PCW) tool should be used for peripheral and static memory pin mapping.
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Table 4: MIO Peripheral Interface Mapping
Peripheral Interface
MIO
EMIO
Quad-SPI
NOR/SRAM
NAND
Yes
No
USB 0,1
Yes — External PHY
Yes
No
SDIO 0,1
Yes
SPI: 0,1
I2C: 0,1
CAN: 0,1
GPIO
Yes
Yes
CAN: External PHY
GPIO: Up to 54 bits
CAN: External PHY
GPIO: Up to 64 bits
GigE: 0,1
RGMII v2.0
External PHY
Supports GMII, RGMII v2.0 (HSTL), RGMII v1.3, MII, SGMII, and 1000BASE-X in
Programmable Logic
UART: 0,1
Simple UART:
Only two pins (Tx and Rx)
Full UART (Tx, Rx, DTR, DCD, DSR, RI, RTS and CTS) either require:
Two Processing System pins (Rx and Tx) through MIO and six additional Programmable
Logic pins, or Eight Programmable Logic pins
Debug Trace Ports
Processor JTAG
Yes — Up to 16 trace bits
Yes
Yes — Up to 32 trace bits
Yes
Notes:
1. Restrictions apply for the CLG225 package. Go to UG585, Zynq-7000 SoC Technical Reference Manual (TRM) for details.
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X-Ref Target - Figure 2
EMIO to PL
GMII
GMII
SDIO
SDIO
RGMII
MDIO
GigaEth0
GigaEth1
RGMII
ULPI
ULPI
USB
USB
SDIO
SDIO
SDIO
SDIO
M
I
O
Quad-SPI
Quad-SPI
NAND
Static Memory
Controller
SRAM/NOR
Trace Debug
SPI
SPI
2 SPI
2 CAN
2 UART
2 I2C
CAN
CAN
UART
UART
I2C
I2C
EMIO to PL
DS190_02_012012
Figure 2: MIO Module Block Diagram
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PS-PL Interface
The PS-PL interface includes:
•
AMBA AXI interfaces for primary data communication
•
•
•
Two 32-bit AXI master interfaces
Two 32-bit AXI slave interfaces
Four 64-bit/32-bit configurable, buffered AXI slave interfaces with direct access to DDR memory and OCM, referred
to as high-performance AXI ports
•
One 64-bit AXI slave interface (ACP port) for coherent access to CPU memory
•
DMA, interrupts, events signals
•
•
•
•
Processor event bus for signaling event information to the CPU
PL peripheral IP interrupts to the PS GIC
Four DMA channel signals for the PL
Asynchronous triggering signals
•
•
Extendable multiplexed I/O (EMIO) allows unmapped PS peripherals to access PL I/O
Clocks and resets
•
•
Four PS clock outputs to the PL with start/stop control
Four PS reset outputs to the PL
•
Configuration and miscellaneous
•
Processor configuration access port (PCAP) to support full and partial PL configuration, and secured PS boot
image decryption and authentication
•
•
•
eFUSE and battery-backed RAM signals from the PL to the PS
XADC interface
JTAG interface
The two highest performance interfaces between the PS and the PL for data transfer are the high-performance AXI ports
and ACP interfaces. The high performance AXI ports are used for high throughput data transfer between the PS and the PL.
Coherency, if required, is managed under software control. When hardware coherent access to the CPU memory is
required, the ACP port is to be used.
High-Performance AXI Ports
The high-performance AXI ports provide access from the PL to DDR and OCM in the PS. The four dedicated AXI memory
ports from the PL to the PS are configurable as either 32-bit or 64-bit interfaces. As shown in Figure 3, these interfaces
connect the PL to the memory interconnect via a FIFO controller. Two of the three output ports go to the DDR memory
controller and the third goes to the dual-ported on-chip memory (OCM).
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X-Ref Target - Figure 3
To DDR
Controller
From CPU System
Programmable
Logic to Memory
Interconnect
256K
SRAM
OCM
Interconnect
From Central
Interconnect
FIFO FIFO FIFO FIFO
Legend
Arrow direction shows control (master to slave)
data flows in both directions.
AXI 32bit/64bit, AXI 64bit
High-Performance AXI Ports
from Programmable Logic
DS190_03_031912
Figure 3: PL Interface to PS Memory Subsystem
Each high-performance AXI port has these characteristics:
•
•
•
•
•
•
Reduced latency between PL and processing system memory
1 KB deep FIFO
Configurable either as 32- or 64-bit AXI interfaces
Supports up to a 32 word buffer for read acceptance
Supports data release control for write accesses to use AXI interconnect bandwidth more efficiently
Supports multiple AXI commands issuing to DDR and OCM
Accelerator Coherency Port (ACP)
The accelerator coherency port (ACP) is a 64-bit AXI slave interface that provides connectivity between the APU and a
potential accelerator function in the PL. The ACP directly connects the PL to the snoop control unit (SCU) of the ARM
Cortex-A9 processors, enabling cache-coherent access to CPU data in the L1 and L2 caches. The ACP provides a low
latency path between the PS and a PL-based accelerator when compared with a legacy cache flushing and loading scheme.
Programmable Logic (PL) Description
Key PL features include:
•
CLB
•
•
•
•
Eight LUTs per CLB for random logic implementation or distributed memory
Memory LUTs are configurable as 64x1 or 32x2 bit RAM or shift register (SRL)
16 flip-flops per CLB
2 x 4-bit cascadeable adders for arithmetic functions
•
36 Kb block RAM
•
•
•
True dual-port
Up to 36 bits wide
Configurable as dual 18 Kb block RAMs
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•
•
DSP slices
•
•
18 x 25 signed multiply
48-bit adder/accumulator
Programmable I/O Blocks
•
•
•
Support for common I/O standards including LVCMOS, LVDS, and SSTL
1.2V to 3.3V I/O
Built-in programmable I/O delay
•
•
Low-power serial transceivers in selected devices
An integrated Endpoint/Root port (can be Root Complex when connected to the PS) block for PCI Express in selected
devices
•
Two 12-bit analog to digital converters (XADC)
•
•
On-chip voltage and temperature
Up to 17 external differential input channels
•
PL configuration module
CLBs, Slices, and LUTs
Some key features of the CLB architecture include:
•
•
•
True 6-input LUTs
Memory capability within the LUT
Register and shift register functionality
LUTs can be configured as either one 6-input LUT (64-bit ROMs) with one output, or as two 5-input LUTs (32-bit ROMs) with
separate outputs but common addresses or logic inputs. Each LUT output can optionally be registered in a flip-flop. Four
such LUTs and their eight flip-flops as well as multiplexers and arithmetic carry logic form a slice, and two slices form a
configurable logic block (CLB). Four of the eight flip-flops per slice (one flip-flop per LUT) can optionally be configured as
latches.
Between 25–50% of all slices can also use their LUTs as distributed 64-bit RAM or as 32-bit shift registers (SRL32) or as two
SRL16s. Modern synthesis tools take advantage of these highly efficient logic, arithmetic, and memory features.
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Clock Management
Some of the key highlights of the clock management architecture include:
•
•
•
High-speed buffers and routing for low-skew clock distribution
Frequency synthesis and phase shifting
Low-jitter clock generation and jitter filtering
Each device in the Zynq-7000 family has up to 8 clock management tiles (CMTs), each consisting of one mixed-mode clock
manager (MMCM) and one phase-locked loop (PLL). See Table 5.
Table 5: MMCM Count per Device
Zynq Device
XC7Z007S
XC7Z012S
XC7Z014S
XC7Z010
XC7Z015
XC7Z020
XC7Z030
XC7Z035
XC7Z045
XC7Z100
MMCM
PLL
2
2
3
4
2
3
4
5
8
8
8
3
4
2
3
4
5
8
8
8
Mixed-Mode Clock Manager and Phase-Locked Loop
The MMCM and PLL share many characteristics. Both can serve as a frequency synthesizer for a wide range of frequencies
and as a jitter filter for incoming clocks. At the center of both components is a voltage-controlled oscillator (VCO), which
speeds up and slows down depending on the input voltage it receives from the phase frequency detector (PFD).
There are three sets of programmable frequency dividers: D, M, and O. The pre-divider D (programmable by configuration
and afterwards via DRP) reduces the input frequency and feeds one input of the traditional PLL phase/frequency
comparator. The feedback divider M (programmable by configuration and afterwards via DRP) acts as a multiplier because
it divides the VCO output frequency before feeding the other input of the phase comparator. D and M must be chosen
appropriately to keep the VCO within its specified frequency range. The VCO has eight equally-spaced output phases
(0°, 45°, 90°, 135°, 180°, 225°, 270°, and 315°). Each can be selected to drive one of the output dividers (six for the PLL, O0
to O5, and seven for the MMCM, O0 to O6), each programmable by configuration to divide by any integer from 1 to 128.
The MMCM and PLL have three input-jitter filter options: Low-bandwidth mode, which has the best jitter attenuation;
high-bandwidth mode, which has the best phase offset; and optimized mode, which allows the tools to find the best setting.
MMCM Additional Programmable Features
The MMCM can have a fractional counter in either the feedback path (acting as a multiplier) or in one output path. Fractional
1
counters allow non-integer increments of /8 and can thus increase frequency synthesis capabilities by a factor of 8.
The MMCM can also provide fixed or dynamic phase shift in small increments that depend on the VCO frequency. At
1,600 MHz, the phase-shift timing increment is 11.2 ps.
Clock Distribution
Each device in the Zynq-7000 family provides six different types of clock lines (BUFG, BUFR, BUFIO, BUFH, BUFMR, and
the high-performance clock) to address the different clocking requirements of high fanout, short propagation delay, and
extremely low skew.
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Global Clock Lines
In each device, 32 global clock lines have the highest fanout and can reach every flip-flop clock, clock enable, and set/reset
as well as many logic inputs. There are 12 global clock lines within any clock region driven by the horizontal clock buffers
(BUFH). Each BUFH can be independently enabled/disabled, allowing for clocks to be turned off within a region, thereby
offering fine-grain control over which clock regions consume power. Global clock lines can be driven by global clock buffers,
which can also perform glitchless clock multiplexing and clock enable functions. Global clocks are often driven from the CMT,
which can completely eliminate the basic clock distribution delay.
Regional Clocks
Regional clocks can drive all clock destinations in their region. A region is defined as any area that is 50 I/O and 50 CLB high
and half the device wide. Each device in the Zynq-7000 family has between four and fourteen regions. There are four
regional clock tracks in every region. Each regional clock buffer can be driven from either of four clock-capable input pins,
and its frequency can optionally be divided by any integer from 1 to 8.
I/O Clocks
I/O clocks are especially fast and serve only I/O logic and serializer/deserializer (SerDes) circuits, as described in the
I/O Logic section. The SoCs have a direct connection from the MMCM to the I/O for low-jitter, high-performance interfaces.
Block RAM
Some of the key features of the block RAM include:
•
•
•
Dual-port 36 Kb block RAM with port widths of up to 72
Programmable FIFO logic
Built-in optional error correction circuitry
Each device in the Zynq-7000 family has up to 755 dual-port block RAMs, each storing 36 Kb. Each block RAM has two
completely independent ports that share nothing but the stored data.
Synchronous Operation
Each memory access, read or write, is controlled by the clock. All inputs, data, address, clock enables, and write enables are
registered. The input address is always clocked, retaining data until the next operation. An optional output data pipeline
register allows higher clock rates at the cost of an extra cycle of latency.
During a write operation, the data output can reflect either the previously stored data, the newly written data, or can remain
unchanged.
Programmable Data Width
Each port can be configured as 32K × 1, 16K × 2, 8K × 4, 4K × 9 (or 8), 2K × 18 (or 16), 1K × 36 (or 32), or 512 × 72 (or 64).
The two ports can have different aspect ratios without any constraints.
Each block RAM can be divided into two completely independent 18 Kb block RAMs that can each be configured to any
aspect ratio from 16K × 1 to 512 × 36. Everything described previously for the full 36 Kb block RAM also applies to each of
the smaller 18 Kb block RAMs.
Only in simple dual-port (SDP) mode can data widths of greater than 18 bits (18 Kb RAM) or 36 bits (36 Kb RAM) be
accessed. In this mode, one port is dedicated to read operation, the other to write operation. In SDP mode, one side (read
or write) can be variable, while the other is fixed to 32/36 or 64/72.
Both sides of the dual-port 36 Kb RAM can be of variable width.
Two adjacent 36 Kb block RAMs can be configured as one cascaded 64K × 1 dual-port RAM without any additional logic.
Error Detection and Correction
Each 64-bit-wide block RAM can generate, store, and utilize eight additional Hamming code bits and perform single-bit error
correction and double-bit error detection (ECC) during the read process. The ECC logic can also be used when writing to or
reading from external 64- to 72-bit-wide memories.
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FIFO Controller
The built-in FIFO controller for single-clock (synchronous) or dual-clock (asynchronous or multirate) operation increments
the internal addresses and provides four handshaking flags: full, empty, almost full, and almost empty. The almost full and
almost empty flags are freely programmable. Similar to the block RAM, the FIFO width and depth are programmable, but the
write and read ports always have identical width.
First word fall-through mode presents the first-written word on the data output even before the first read operation. After the
first word has been read, there is no difference between this mode and the standard mode.
Digital Signal Processing — DSP Slice
Some highlights of the DSP functionality include:
•
•
•
25 × 18 two's complement multiplier/accumulator high-resolution (48 bit) signal processor
Power saving pre-adder to optimize symmetrical filter applications
Advanced features: optional pipelining, optional ALU, and dedicated buses for cascading
DSP applications use many binary multipliers and accumulators, best implemented in dedicated DSP slices. The devices in
the Zynq-7000 family have many dedicated, full custom, low-power DSP slices, combining high speed with small size while
retaining system design flexibility.
Each DSP slice fundamentally consists of a dedicated 25 × 18 bit two's complement multiplier and a 48-bit accumulator,
both capable of operating up to 741 MHz. The multiplier can be dynamically bypassed, and two 48-bit inputs can feed a
single-instruction-multiple-data (SIMD) arithmetic unit (dual 24-bit add/subtract/accumulate or quad 12-bit
add/subtract/accumulate), or a logic unit that can generate any one of ten different logic functions of the two operands.
The DSP includes an additional pre-adder, typically used in symmetrical filters. This pre-adder improves performance in
densely packed designs and reduces the DSP slice count by up to 50%. The DSP also includes a 48-bit-wide Pattern
Detector that can be used for convergent or symmetric rounding. The pattern detector is also capable of implementing
96-bit-wide logic functions when used in conjunction with the logic unit.
The DSP slice provides extensive pipelining and extension capabilities that enhance the speed and efficiency of many
applications beyond digital signal processing, such as wide dynamic bus shifters, memory address generators, wide bus
multiplexers, and memory-mapped I/O register files. The accumulator can also be used as a synchronous up/down counter.
Input/Output
Some highlights of the PL input/output functionality include:
•
•
•
High-performance SelectIO™ technology with support for 1866 Mb/s DDR3
High-frequency decoupling capacitors within the package for enhanced signal integrity
Digitally Controlled Impedance that can be 3-stated for lowest power, high-speed I/O operation
The number of I/O pins varies depending on device and package size. Each I/O is configurable and can comply with a large
number of I/O standards. With the exception of the supply pins and a few dedicated configuration pins, all other PL pins have
the same I/O capabilities, constrained only by certain banking rules. The SelectIO resources in Zynq-7000 and Zynq-7000S
devices are classed as either High Range (HR) or High Performance (HP). The HR I/Os offer the widest range of voltage
support, from 1.2V to 3.3V. The HP I/Os are optimized for highest performance operation, from 1.2V to 1.8V.
All I/O pins are organized in banks, with 50 pins per bank. Each bank has one common V
output supply, which also
CCO
powers certain input buffers. Some single-ended input buffers require an internally generated or an externally applied
reference voltage (V ). There are two V pins per bank (except configuration bank 0). A single bank can have only one
REF
REF
V
voltage value.
REF
The Zynq-7000 family uses a variety of package types to suit the needs of the user, including small form factor wire-bond
packages for lowest cost; conventional, high performance flip-chip packages; and lidless flip-chip packages that balance
smaller form factor with high performance. In the flip-chip packages, the silicon device is attached to the package substrate
using a high-performance flip-chip process. Controlled ESR discrete decoupling capacitors are mounted on the package
substrate to optimize signal integrity under simultaneous switching of outputs (SSO) conditions.
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I/O Electrical Characteristics
Single-ended outputs use a conventional CMOS push/pull output structure driving High towards V
or Low towards
CCO
ground, and can be put into a high-Z state. The system designer can specify the slew rate and the output strength. The input
is always active but is usually ignored while the output is active. Each pin can optionally have a weak pull-up or a weak
pull-down resistor.
Most signal pin pairs can be configured as differential input pairs or output pairs. Differential input pin pairs can optionally be
terminated with a 100Ω internal resistor. All devices in the Zynq-7000 family support differential standards beyond LVDS:
RSDS, BLVDS, differential SSTL, and differential HSTL.
Each of the I/Os supports memory I/O standards, such as single-ended and differential HSTL as well as single-ended SSTL
and differential SSTL. The SSTL I/O standard can support data rates of up to 1866 Mb/s for DDR3 interfacing applications.
3-State Digitally Controlled Impedance and Low-Power I/O Features
The 3-state Digitally Controlled Impedance (T_DCI) can control the output drive impedance (series termination) or can
provide parallel termination of an input signal to V
or split (Thevenin) termination to V
/2. This allows users to
CCO
CCO
eliminate off-chip termination for signals using T_DCI. In addition to board space savings, the termination automatically
turns off when in output mode or when 3-stated, saving considerable power compared to off-chip termination. The I/Os also
have low-power modes for IBUF and IDELAY to provide further power savings, especially when used to implement memory
interfaces.
I/O Logic
Input and Output Delay
All inputs and outputs can be configured as either combinatorial or registered. Double data rate (DDR) is supported by all
inputs and outputs. Any input and some outputs can be individually delayed by up to 32 increments of 78 ps or 52 ps each.
Such delays are implemented as IDELAY and ODELAY. The number of delay steps can be set by configuration and can also
be incremented or decremented while in use.
ISERDES and OSERDES
Many applications combine high-speed, bit-serial I/O with slower parallel operation inside the device. This requires a
serializer and deserializer (SerDes) inside the I/O structure. Each I/O pin possesses an 8-bit IOSERDES (ISERDES and
OSERDES) capable of performing serial-to-parallel or parallel-to-serial conversions with programmable widths of 2, 3, 4, 5,
6, 7, or 8 bits. By cascading two IOSERDES from two adjacent pins (default from differential I/O), wider width conversions
of 10 and 14 bits can also be supported. The ISERDES has a special oversampling mode capable of asynchronous data
recovery for applications like a 1.25 Gb/s LVDS I/O-based SGMII interface.
Low-Power Serial Transceivers
Some highlights of the low-power serial transceivers in the Zynq-7000 family include:
•
High-performance GTX transceivers capable of up to 12.5 Gb/s line rates with flip-chip packages, up to 6.6 Gb/s with
lidless flip-chip packages, and GTP transceivers capable of up to 6.25 Gb/s with wire-bond packages.
•
•
Low-power mode optimized for chip-to-chip interfaces.
Advanced Transmit pre and post emphasis, and receiver linear (CTLE) and decision feedback equalization (DFE),
including adaptive equalization for additional margin.
Ultra-fast serial data transmission to optical modules, between ICs on the same PCB, over the backplane, or over longer
distances is becoming increasingly popular and important to enable customer line cards to scale to 200 Gb/s. It requires
specialized dedicated on-chip circuitry and differential I/O capable of coping with the signal integrity issues at these high
data rates.
The transceiver counts range from 0 to 16 transceiver circuits. Each serial transceiver is a combined transmitter and
receiver. The various serial transceivers can use a combination of ring oscillators and LC tank architecture to allow the ideal
blend of flexibility and performance while enabling IP portability across the family members. Lower data rates can be
achieved using logic-based oversampling. The serial transmitter and receiver are independent circuits that use an advanced
PLL architecture to multiply the reference frequency input by certain programmable numbers between 4 and 25 to become
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the bit-serial data clock. Each transceiver has a large number of user-definable features and parameters. All of these can be
defined during device configuration, and many can also be modified during operation.
Transmitter
The transmitter is fundamentally a parallel-to-serial converter with a conversion ratio of 16, 20, 32, 40, 64, or 80. This allows
the designer to trade-off datapath width for timing margin in high-performance designs. These transmitter outputs drive the
PC board with a single-channel differential output signal. TXOUTCLK is the appropriately divided serial data clock and can
be used directly to register the parallel data coming from the internal logic. The incoming parallel data is fed through an
optional FIFO and has additional hardware support for the 8B/10B, 64B/66B, or 64B/67B encoding schemes to provide a
sufficient number of transitions. The bit-serial output signal drives two package pins with differential signals. This output
signal pair has programmable signal swing as well as programmable pre- and post-emphasis to compensate for PC board
losses and other interconnect characteristics. For shorter channels, the swing can be reduced to reduce power
consumption.
Receiver
The receiver is fundamentally a serial-to-parallel converter, changing the incoming bit-serial differential signal into a parallel
stream of words, each 16, 20, 32, 40, 64, or 80 bits. This allows the designer to trade-off internal datapath width versus logic
timing margin. The receiver takes the incoming differential data stream, feeds it through programmable linear and decision
feedback equalizers (to compensate for PC board and other interconnect characteristics), and uses the reference clock input
to initiate clock recognition. There is no need for a separate clock line. The data pattern uses non-return-to-zero (NRZ)
encoding and optionally guarantees sufficient data transitions by using the selected encoding scheme. Parallel data is then
transferred into the PL using the RXUSRCLK clock. For short channels, the transceivers offers a special low power mode
(LPM) for additional power reduction.
Out-of-Band Signaling
The transceivers provide out-of-band (OOB) signaling, often used to send low-speed signals from the transmitter to the
receiver while high-speed serial data transmission is not active. This is typically done when the link is in a powered-down
state or has not yet been initialized. This benefits PCI Express and SATA/SAS applications.
Integrated Block for PCI Express Designs
Highlights of the integrated block for PCI Express include:
•
•
•
Compliant to the PCI Express Base Specification 2.1 with Endpoint and Root Port capability
Supports Gen1 (2.5 Gb/s) and Gen2 (5 Gb/s)
Advanced configuration options, Advanced Error Reporting (AER), and End-to-End CRC (ECRC) Advanced Error
Reporting and ECRC features
All devices with transceivers in the Zynq-7000 family include an integrated block for PCI Express technology that can be
configured as an Endpoint or Root Port, compliant to the PCI Express Base Specification Revision 2.1. The Root Port can
be used to build the basis for a compatible Root Complex, to allow custom communication between the Zynq-7000 SoC and
other devices via the PCI Express protocol, and to attach ASSP Endpoint devices, such as Ethernet Controllers or Fibre
Channel HBAs, to the Zynq-7000 SoC.
This block is highly configurable to system design requirements and can operate 1, 2, 4, or 8 lanes at the 2.5 Gb/s and
5.0 Gb/s data rates. For high-performance applications, advanced buffering techniques of the block offer a flexible maximum
payload size of up to 1,024 bytes. The integrated block interfaces to the integrated high-speed transceivers for serial
connectivity and to block RAMs for data buffering. Combined, these elements implement the Physical Layer, Data Link
Layer, and Transaction Layer of the PCI Express protocol.
Xilinx provides a light-weight, configurable, easy-to-use LogiCORE™ IP wrapper that ties the various building blocks (the
integrated block for PCI Express, the transceivers, block RAM, and clocking resources) into an Endpoint or Root Port
solution. The system designer has control over many configurable parameters: lane width, maximum payload size, PL
interface speeds, reference clock frequency, and base address register decoding and filtering.
Xilinx offers a wrapper for the integrated block: AXI4 (memory mapped). AXI4 (memory mapped) is designed for Xilinx
Platform Studio/EDK design flow and MicroBlaze™ processor based designs.
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More information and documentation on solutions for PCI Express designs can be found at:
http://www.xilinx.com/technology/protocols/pciexpress.htm.
XADC (Analog-to-Digital Converter)
Highlights of the XADC architecture include:
•
•
•
•
•
Dual 12-bit 1 MSPS analog-to-digital converters (ADCs)
Up to 17 flexible and user-configurable analog inputs
On-chip or external reference option
On-chip temperature and power supply sensors
Continuous JTAG access to ADC measurements
All devices in the Zynq-7000 family integrate a flexible analog interface called XADC. When combined with the
programmable logic capability, the XADC can address a broad range of data acquisition and monitoring requirements. This
unique combination of analog and programmable logic is called Analog Mixed Signal. For more information, go to:
http://www.xilinx.com/ams.
The XADC contains two 12-bit 1 MSPS ADCs with separate track and hold amplifiers, an on-chip analog multiplexer (up to
17 external analog input channels supported), and on-chip thermal and supply sensors. The two ADCs can be configured to
simultaneously sample two external-input analog channels. The track and hold amplifiers support a range of analog input
signal types, including unipolar, bipolar, and differential. The analog inputs can support signal bandwidths of at least
500 KHz at sample rates of 1MSPS. It is possible to support higher analog bandwidths using external analog multiplexer
mode with the dedicated analog input (see UG480, 7 Series FPGAs XADC Dual 12-Bit 1MSPS Analog-to-Digital Converter
User Guide).
The XADC optionally uses an on-chip reference circuit ( 1%), thereby eliminating the need for any external active
components for basic on-chip monitoring of temperature and power supply rails. To achieve the full 12-bit performance of the
ADCs, an external 1.25V reference IC is recommended.
If the XADC is not instantiated in a design, then by default it digitizes the output of all on-chip sensors. The most recent
measurement results (together with maximum and minimum readings) are stored in dedicated registers for access at any
time via the JTAG interface. User-defined alarm thresholds can automatically indicate over-temperature events and
unacceptable power supply variation. A user-specified limit (for example, 100°C) can be used to initiate an automatic
power-down.
System-Level Functions
Several functions span both the PS and PL and include:
•
•
•
•
•
Reset management
Clock management
Device configuration
Hardware and software debug support
Power management
Reset Management
The reset management function provides the ability to reset the entire device or individual units within it. The PS supports
these reset functions and signals:
•
•
•
•
•
•
External and internal power-on reset signal
Warm reset
Watchdog timer reset
User resets to PL
Software, watchdog timer, or JTAG provided resets
Security violation reset (locked down reset)
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Zynq-7000 SoC Data Sheet: Overview
Clock Management
In the Zynq-7000 family, the PS is equipped with three phase-locked loops (PLLs), providing flexibility in configuring the clock
domains within the PS. There are three primary clock domains of interest within the PS. These include the APU, the DDR
controller, and the I/O peripherals (IOP). The frequencies of all of these domains can be configured independently under
software control.
PS Boot and Device Configuration
Zynq-7000 and Zynq-7000S devices use a multi-stage boot process that supports both a non-secure and a secure boot. The
PS is the master of the boot and configuration process. For a secure boot, the PL must be powered on to enable the use of
the security block located within the PL, which provides 256-bit AES and SHA decryption/authentication.
Upon reset, the device mode pins are read to determine the primary boot device to be used: NOR, NAND, Quad-SPI, SD,
or JTAG. JTAG can only be used as a non-secure boot source and is intended for debugging purposes. One of the ARM
Cortex-A9 CPUs executes code out of on-chip ROM and copies the first stage boot loader (FSBL) from the boot device to
the OCM.
After copying the FSBL to OCM, the processor executes the FSBL. Xilinx supplies example FSBLs or users can create their
own. The FSBL initiates the boot of the PS and can load and configure the PL, or configuration of the PL can be deferred to
a later stage. The FSBL typically loads either a user application or an optional second stage boot loader (SSBL) such as
U-Boot. Users obtain the SSBL from Xilinx or a third party, or they can create their own SSBL. The SSBL continues the boot
process by loading code from any of the primary boot devices or from other sources such as USB, Ethernet, etc. If the FSBL
did not configure the PL, the SSBL can do so, or again, the configuration can be deferred to a later stage.
The static memory interface controller (NAND, NOR, or Quad-SPI) is configured using default settings. To improve device
configuration speed, these settings can be modified by information provided in the boot image header. The ROM boot image
is not user readable or callable after boot.
Hardware and Software Debug Support
The debug system used in the Zynq-7000 family is based on ARM’s CoreSight architecture. It uses ARM CoreSight
components including an embedded trace buffer (ETB), a program trace macrocell (PTM), and an instrument trace
macrocell (ITM). This enables instruction trace features as well as hardware breakpoints and triggers. The programmable
logic can be debugged with the integrated logic analyzer.
Debug Ports
Two JTAG ports are available and can be chained together or used separately. When chained together, a single port is used
for ARM processor code downloads and run-time control operations, PL configuration, and PL debug with the ChipScope™
Pro embedded logic analyzer. This enables tools such as the Xilinx Software Development Kit (SDK) and ChipScope Pro
analyzer to share a single download cable from Xilinx.
When the JTAG chain is split, one port is used for PS support, including direct access to the ARM DAP interface. This
CoreSight interface enables the use of ARM-compliant debug and software development tools such as Development
Studio 5 (DS-5™). The other JTAG port can then be used by the Xilinx FPGA tools for access to the PL, including
configuration bitstream downloads and PL debug with the integrated logic analyzer. In this mode, users can download to,
and debug the PL in the same manner as a stand-alone FPGA.
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Zynq-7000 SoC Data Sheet: Overview
Power Management
The PS and PL reside on different power planes. This enables the PS and PL to be connected to independent power rails,
each with its own dedicated power supply pins. If PL power-off mode is not needed, the user can tie the PS and PL power
rails together. When the PS is in power-off mode, it holds the PL in a permanent reset condition. The power control for the
PL is accomplished through external pins to the PL. External power management circuitry can be used to control power. The
external power management circuitry could be controlled by software and the PS GPIO.
Power Modes
These are a few of the power savings modes offered by the Zynq-7000 family:
•
•
•
Programmable Logic Power Off (Sleep)
•
The PS and PL reside on different power planes and the PS can run with the PL powered off. For security reasons, the PL
cannot be powered on before the PS. The PL requires reconfiguration after each power-on. The user should take PL
configuration time into consideration when using this power savings mode.
PS Clock Control
•
The PS can be run at a reduced clock rate down to 30 MHz using the internal PLLs. The clock rate can be changed dynamically.
To change the clock dynamically, the user must unlock the system control register to access the PS clock control register or the
clock generation control register.
Single Processor Mode
In this mode, the second Cortex-A9 CPU is switched off using clock gating and the first CPU is kept fully operational.
•
Power Examples
Power for the devices in the Zynq-7000 family varies depending on the utilization of the PL resources, and the frequency of
the PS and PL. To estimate power, use the Xilinx Power Estimator (XPE) at
http://www.xilinx.com/products/design_tools/logic_design/xpe.htm.
Memory Map
Devices in the Zynq-7000 family support a 4 GB address space, organized as described in Table 6.
Table 6: Memory Map
Start Address
0x0000_0000
0x4000_0000
0x8000_0000
0xE000_0000
0xF000_0000
0xF800_0000
0xFA00_0000
Size (MB)
1,024
1,024
1,024
256
Description
DDR DRAM and on-chip memory (OCM)
PL AXI slave port #0
PL AXI slave port #1
IOP devices
128
Reserved
32
Programmable registers access via AMBA APB bus
Reserved
32
Quad-SPI linear address base address (except top 256 KB
64 MB - 256 KB which is in OCM), 64 MB reserved, only 32 MB is currently
supported
0xFC00_0000
0xFFFC_0000
256 KB
OCM when mapped to high address space
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Zynq-7000 SoC Data Sheet: Overview
Ordering Information
Table 7 shows the speed and temperature grades available in the different devices. Some devices might not be available in
every speed and temperature grade.
Table 7: Speed Grade and Temperature Ranges
Speed Grade and Junction Temperature Range
Device
Commercial (C)
0°C to +85°C
Extended (E)
0°C to +100°C
Industrial (I)
–40°C to +100°C
XC7Z007S
XC7Z012S
XC7Z014S
-1
-1
-2
-1, -2
XC7Z010
XC7Z015
XC7Z020
-2, -3
-1, -2, -1L
XC7Z030
XC7Z035
XC7Z045
-1
-1
-2, -3
-2
-1, -2, -2L
-1, -2, -2L
XC7Z100
The ordering information, shown in Figure 4, applies to all packages including Pb-Free.
X-Ref Target - Figure 4
Example:
X C 7 Z 0 1 4 S - 2 C L G 4 8 4 C
Part Number
Temperature Range
C = Commercial (Tj = 0°C to +85°C)
I = Industrial (Tj = –40°C to +100°C)
E = Extended (Tj = 0°C to +100°C)
Single Core
Indicator(1)
Speed Grade
Number of Pins
(-3, -2, -1, -1L(2), -2L(3)
)
Pb-Free
V = RoHS 6/6
G (CLG) = RoHS 6/6
G (SBG, FBG, FFG) = RoHS 6/6 with Exemption 15
1) Available in Z-7007S, Z-7012S, and Z-7014S devices
2) -L1 is the ordering code for the lower power, -1L speed grade.
3) -L2 is the ordering code for the lower power, -2L speed grade.
Package Type
DS190_04_091916
Figure 4: Ordering Information
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Zynq-7000 SoC Data Sheet: Overview
Revision History
The following table shows the revision history for this document:
Date
Version
1.0
Description of Revisions
03/23/12
05/08/12
06/11/12
08/21/12
Initial Xilinx release.
1.1
Updated Table 2 and Table 4.
Minor typographical edits.
1.1.1
1.2
Updated ARM Cortex-A9 Based Application Processor Unit (APU), I/O Peripherals and Interfaces, Two
12-Bit Analog-to-Digital Converters, Table 1, Table 2, Application Processor Unit (APU), I/O
Peripherals (IOP), PS External Interfaces, MIO Overview, Table 4, Programmable Logic (PL)
Description, and PS Boot and Device Configuration.
03/15/13
1.3
Added XC7Z100 device information to Table 1, Table 2 (including FFG1156 package), and Application
Processor Unit (APU). Updated Table 4 and Clock Management. Added Table 5. Updated Block RAM.
Removed Table 5 (Power Examples).
08/06/13
09/03/13
1.4
1.5
Updated the processor frequencies in Table 1 and Application Processor Unit (APU). Updated Table 4.
Added XC7Z015 device information to Table 1, Table 2 (and updated notes), Table 3 (including
CLG485), Table 5, and Application Processor Unit (APU). Added the SBG485 package for the
XC7Z030 device in Table 2. Updated Low-Power Serial Transceivers, XADC (Analog-to-Digital
Converter), and Regional Clocks.
12/02/13
10/08/14
1.6
1.7
Updated Table 2.
Added XC7Z035 device to Table 1, Table 2, Table 3, and Table 5. Updated Application Processor Unit
(APU), I/O Peripherals (IOP), Clock Management, and Figure 4.
05/21/15
1.8
Changed document classification to Product Specification from Preliminary Product Specification.
Updated Table 1, Table 2, Table 3, and Figure 4.
01/20/16
09/27/16
1.9
Updated Table 2, Table 3, and Regional Clocks.
1.10
Updated Table 1, Table 2, Figure 1, Application Processor Unit (APU), Table 5, Block RAM, Figure 4,
and Automotive Applications Disclaimer.
06/07/17
1.11
Updated Table 1. Removed SBV485, FBV484, FBV676, FFV676, FFV900, and FFV1156 packages
from Table 2 and Table 3. Updated I/O Electrical Characteristics and Ordering Information.
07/02/2018
1.11.1
Typographical edits.
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Product Specification
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Zynq-7000 SoC Data Sheet: Overview
Notice of Disclaimer
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Automotive Applications Disclaimer
AUTOMOTIVE PRODUCTS (IDENTIFIED AS "XA" IN THE PART NUMBER) ARE NOT WARRANTED FOR USE IN THE DEPLOYMENT OF
AIRBAGS OR FOR USE IN APPLICATIONS THAT AFFECT CONTROL OF A VEHICLE ("SAFETY APPLICATION") UNLESS THERE IS A
SAFETY CONCEPT OR REDUNDANCY FEATURE CONSISTENT WITH THE ISO 26262 AUTOMOTIVE SAFETY STANDARD ("SAFETY
DESIGN"). CUSTOMER SHALL, PRIOR TO USING OR DISTRIBUTING ANY SYSTEMS THAT INCORPORATE PRODUCTS, THOROUGHLY
TEST SUCH SYSTEMS FOR SAFETY PURPOSES. USE OF PRODUCTS IN A SAFETY APPLICATION WITHOUT A SAFETY DESIGN IS FULLY
AT THE RISK OF CUSTOMER, SUBJECT ONLY TO APPLICABLE LAWS AND REGULATIONS GOVERNING LIMITATIONS ON PRODUCT
LIABILITY.
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