STI7200XWA [STMICROELECTRONICS]
暂无描述;
| 型号： | STI7200XWA |
| 厂家： | 
ST |
| 描述： | 暂无描述 解码器 显示器 电视 |
| 文件： | 总8页 (文件大小：207K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
STi7200
Triple display, HDTV set-top box, dual decoder for H.264 and VC-1
Data Brief
– HD DVD/BD compliant
Features
– DVR capable
– HDMI/HDCP interface with CEC line
■ Single-chip, high-definition STB decoder:
– H.264 and Microsoft® VC-1 compatible
controller
®
– Linux , Windows® CE and OS21
– IQI (Image Quality Improvement) support
compatible 350 MHz ST40 CPU core
■ Connectivity:
– supports NAND flash, NOR flash and
– triple USB 2.0 host controller/PHY
Sflash
interface
– local memory 2 x DDR2 333 MHz
– digital audio and video auxiliary inputs
– transport filtering and descrambling
– low-cost modem support
– dual H.264, MPEG-2, VC-1 video decoding
– SVP compliant
– dual 100BT ethernet controller, MAC and
MII/RMII interface for external PHY
– Windows® DRM support
– dual serial ATA (SATA)
– triple display composition
– integrated VHF channel 3/4 modulator
– high speed synchronous interface (MPX) to
STVi498 cable and DOCSIS front-end chip
– dual audio decoder, including Windows
Media® Audio 9 (WMA-9) and WMA-9 Pro
– DVD data retrieval and decryption
MII/RMII for 100BT
Ethernet
Hard
disks
DDR2
SDRAM
Peripheral I/O
and external interrupts
32
32
Stereo
DACs
2x
ST40 core 350 MHz
2x
SATA
Ethernet
2x
2x
MAFE
IR
LMI0
MII/RMII
SmartCard
interface
16 K Icache
Int. control
UDI
PWM
5x
interface
Audio
decoder decoder
Audio
Tx/Rx
2x
FDMA
3x
USB
2.0
2x
DISEqC
4x
8x
GPIO
MMU
LMI1
ST231
core
ST231
core
ILC
Audio
interfaces
UARTs SSCs
32 K Dcache
STBus
Flex VPE
Video decoder
VC-1 (inc WMV-9)
H264/MPEG-2
PTI 1
PTI 2
Display
compositor
mix 1 to 3
2D gamma
blitter
HD disp proc
HD disp proc
DVP
6
ST231
core
TSG DMA in
HDMI
4
EMI EMPI
TSG DMA out
Video decoder
VC-1 (inc WMV-9)
H264/MPEG-2
VHF
mod
Local
HD
Local
SD
Remote
SD
TLTXT
DACs
TLTXT
Clock generator
and system
services
SECTP
6
VHF
DAC
4
ST231
core
DENC
DENC DACs
DACs
Local video
DV
out output (HD)
Local video
output (SD)
Remote video
output (SD)
DV
out
CH 3/4
out
Flash or
companion
chip
TS inputs
December 2006
CD00145658 Rev 1
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For further information contact your local STMicroelectronics sales office.
www.st.com
8
Description
STi7200
1
Description
The STi7200 is a new generation, high-definition set-top box/DVD decoder chip, and
provides very high performance for low-cost HD systems. With enhanced performance over
the STx7109, it includes both Windows Media Video 9 and H.264 video decoders for new,
low bitrate applications. The STi7200 is able to decode two HD programs.
Based on the STBus architecture, this system-on-chip is a full back-end processor for digital
terrestrial, satellite, cable and IP high-definition set-top boxes, compliant with ATSC, SMPTE
VC-1, DVB, DIRECTV, DCII, OpenCable and ARIB BS4 specifications. The STi7200
includes all processing for DVD applications.
2
Applications
The STi7200 demultiplexes, decrypts and decodes HD or SD video streams with associated
multichannel audio. Video is output to three independently formatted displays:
●
●
●
a full resolution display intended for a local HDTV monitor,
a downsampled display intended for a VCR or local SDTV,
an SD resolution display intended for a remote SDTV monitor.
Connection to the main TV or display panel can be analog (RGB/YUV) through HD DACs, or
digital through a copy protected DVI/HDMI. Composite outputs are provided for connection
to local and remote TVs or VCR with Macrovision or Dwight Cavendish protection.
Audio is output with optional PCM mixing to an S/PDIF interface, dual PCM interface, or
through integrated dual stereo audio DACs.
Digitized analog programs can also be input to the STi7200 for reformatting and display.
The STi7200 includes a graphics rendering and display capability with a 2D graphics
accelerator. A triple display compositor mixes graphics and video with independent
composition for each of the TV and VCR or SDTV outputs. Picture In Picture (PIP) is
supported.
The STi7200 handles up to six external transport streams from different sources.
Four transport stream inputs, two transport stream input/outputs and two transport stream
outputs are supported. Applications include DVR time-shifted viewing of a terrestrial
program, while acquiring an EPG/data stream from a satellite or cable front end.
The transport architecure uncouples the transport packet processing from the transport
packet collection. The input transport streams are stored in SDRAM after PID filtering and
time stamp collection. DMAs fetch data from external memory and inject them to PTIs or
transport stream output ports.
The flexible descrambling engine is compatible with required standards including DVB, DES,
AES and Multi2.
The STi7200 has a 350 MHz ST40-210 CPU for applications and device control. A dual 32-
bit DDR2 SDRAM interface provides the required bandwidth for dual HD VC-1/H.264 video
decoding, and for the CPU and the rest of the system.
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STi7200
Applications
A second memory bus is provided for flash memory, storing resident software, and for
connection of peripherals. This bus also has a high speed synchronous mode that can be
used to exchange data between two STi7200 devices.
A 32-bit MPX initiator (EMI module) and target (EMPI module) interconnect external devices
such as the STVi498.
A Blu-ray disc and hard disk drive (HDD) can be connected through the serial ATA interfaces
(2x). An expansion hard disk drive can be connected through a USB 2.0 port (3x). See
Figure 4.
For IP-TV and home network applications, the two integrated 100BT Ethernet controllers
with MII/RMII interface can be used for IP delivery and distribution, as shown in Figure 1.
The USB or Ethernet interfaces can also be used to connect to a DOCSIS 2.0 CM gateway
for interactive cable applications.
The STi7200 is supported by STMicroelectronics’ STAPI software.
Figure 1. Low-cost HD IP-TV set-top box with hard disk drives
IR
Tx/Rx
2 x 256 Mbit
DDR2
Flash
EMI/MPX
USB 2.0
USB 2.0
USB 2.0
SATA
HDD
STi7200
MII
RGB/YPbPr/
HDMI
Ethernet
PHY
RJ45
STE101P
SATA
RS232
Smart
cards
Expansion HDD
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Applications
STi7200
Figure 2. HD DOCSIS cable set-top box with HDD
IR
M-cableCARD
interface
2 x 256 Mbit
DDR2
Tx/Rx
Flash
Tuner
Tuner
Tuner
EMI/MPX
STVi498
+
STV0130
USB 2.0
USB 2.0
USB 2.0
TS in
1
2
Diplex
filter
HDMI
STi7200
PGA
Upstream
SCART
Switch
MII
AV LAN
YPrPb/
RGB
PHY
STE101P
RJ45
Server/Client network
SATA
SATA
RS232
SLIC
RJ11
Telephone can
be used with VOIP
Smart
cards
External HDD
Internal HDD
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Applications
Figure 3. Low-cost satellite TV set-top box
IR
2 x 256 Mbit
DDR2
Tx/Rx
Flash
EMI/MPX
RGB/YPbPr/
HDMI
Transport
streams in
STv0900
and
Quad
LNB
2 x STb6100
Local SD TV
Transport
streams in
CVBS/YC
STv0900
and
2 x STb6100
STi7200
Remote SD TV
CVBS/YC
PTSN
MAFE
Smart
cards
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Applications
STi7200
Figure 4. HD DVD/BD (blue laser disc) player system
Home plug
UART
1080i/720p
SD CVBS
VSB1
(STB0370)
HDMI
TSIN0
TSIN1
HD TV
VSB1
(STB0370)
USB 2.0
USB 2.0
USB 2.0
Bridge
STi7200
Audio DAC
I2S
SATA
Audio DAC
Audio DAC
Audio DAC
Audio DAC
SATA
Ethernet
PHY
Ethernet
controller
S/PDIF
EMI
ST Flash
(64 MB)
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Revision history
3
Revision history
Table 1.
Date
07-Dec-2006
Document revision history
Revision
Changes
1
Initial release.
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Revision history
STi7200
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