AT88SC6416CRF-L01B [ATMEL]
Telecom Circuit, 1-Func, SMART CARD;
| 型号： | AT88SC6416CRF-L01B |
| 厂家： | 
ATMEL |
| 描述： | Telecom Circuit, 1-Func, SMART CARD 电信 电信集成电路 |
| 文件： | 总11页 (文件大小：350K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Atmel AT88SC6416CRF
CryptoRF EEPROM Memory
13.56MHz, 64 Kilobits
SUMMARY DATASHEET
Features
One of a family of devices with user memory of 1 kilobit to 64 kilobits
Contactless 13.56MHz RF communications interface
ISO/IEC 14443-2:2001 Type B Compliant
ISO/IEC 14443-3:2001 Type B Compliant Anticollision Protocol
Command set optimized for multi-card RF communications
Tolerant of Type A Signaling for multi-protocol applications
Integrated 82pF tuning capacitor
User EEPROM memory
64 kilobits configured as Sixteen 512-byte (4-Kbit) user zones
Byte, page, and partial page write modes
Self-timed write cycle
256-byte (2-Kbit) configuration zone
User-programmable Application Family Identifier (AFI)
User-defined Anticollision Polling Response
User-defined keys and passwords
High-security features
64-bit Mutual Authentication Protocol (under license of ELVA)
Encrypted checksum
Stream encryption
Four key sets for authentication and encryption
Eight sets of two 24-bit passwords
Password and authentication attempts counters
Selectable access rights by zone
Anti-tearing function
Tamper sensors
High reliability
Endurance: 100,000 write cycles
Data retention: 10 years
Operating temperature: −25°C to +85°C
This is a summary document.
The complete document is
available on the Atmel website
at www.atmel.com.
5006FS–CRRF–10/2012
1.
Description
The Atmel® CryptoRF® family integrates a 13.56 MHz RF interface into an Atmel CryptoMemory®, resulting in a
contactless smart card with advanced security and cryptographic features. This device is optimized as a contactless
secure memory, for RF smart cards, and secure data storage, without the requirement of an internal microprocessor.
For communications, the RF interface utilizes the ISO/IEC 14443-2 and -3 Type B bit timing and signal modulation
schemes, and the ISO/IEC 14443-3 Slot-MARKER Anticollision Protocol. Data is exchanged half duplex at a 106-Kbit per
second rate, with a 2-byte CRC_B providing error detection capability. The maximum communication range between the
reader antenna and contactless card is approximately 10cm when used with an RFID reader that transmits the maximum
ISO/IEC 14443-2 RF power level. The RF interface powers the other circuits; no battery is required. Full compliance with
the ISO/IEC 14443-2 and -3 standards results in anticollision interoperability with the AT88RF020 2-Kbit RFID EEPROM
product and provides both a proven RF communication interface and a robust anticollision protocol.
The Atmel AT88SC6416CRF contains 64 kilobits of user memory and two kilobits of configuration memory. The two
kilobitss of configuration memory contain:
Eight sets of Read/Write passwords
Four Crypto key sets
Security access registers for each user zone
Password/Key registers for each zone
The CryptoRF command set is optimized for a multi-card RF communications environment. A programmable AFI register
allows this IC to be used in numerous applications in the same geographic area with seamless discrimination of cards
assigned to a particular application during the anticollision process.
2.
Block Diagram
Figure 2-1. Block Diagram
RF Interface
AC1
Command
and
EEPROM
Response
Data Transfer
Over
Voltage
Clamp
C
VDD
Regulator
VSS
Password
Verification
Authentication
Encryption
and
Certification
Unit
Frame
Formatting
and
AC2
Anticollision
Error
Clock
Extraction
Detection
Interface
Data
Extraction
Random Number
Generator
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3.
Communications
All personalization and communication with this device is performed through the RF interface. The IC includes an
integrated tuning capacitor, enabling it to operate with only the addition of a single external coil antenna.
The RF communications interface is fully compliant with the electrical signaling and RF power specifications in ISO/IEC
14443-2:2001 for Type B only. Anticollision operation and frame formatting are compliant with ISO/IEC 14443-3:2001 for
Type B only.
ISO/IEC 14443 nomenclature is used in this specification where applicable. The following abbreviations are utilized
throughout this document. Additional terms are defined in the section in which they are used.
Table 3-1. Terms
Abbrev.
PCD
Term
Definition
Proximity Coupling Device
The reader/writer and antenna.
PICC
RFU
Proximity Integrated Circuit Card The tag/card containing the IC and antenna.
Reserved for Future Use
Hexadecimal Number
Any feature, memory location, or bit that is held as reserved for future use.
Denotes a hex number “xx” (Most Significant Bit on left).
$ xx
3.1
3.2
Anticollision Protocol
When the PICC enters the 13.56MHz RF field of the host reader (PCD), it performs a Power-On Reset (POR) function
and waits silently for a valid Type B Polling command. The CryptoRF PICC processes the anti-tearing registers as part of
the POR process.
The PCD initiates the anticollision process by issuing an REQB or WUPB command. The WUPB command activates any
card (PICC) in the field with a matching AFI code. The REQB command performs the same function but does not affect a
PICC in the Halt state. The CryptoRF command set is available only after the anticollision process has been completed.
CRC Error Detection
A 2-byte CRC_B is required in each frame transmitted by the PICC or PCD to permit transmission error detection. The
CRC_B is calculated on all of the command and data bytes in the frame. The SOF, EOF, start bits, stop bits, and EGT
are not included in the CRC_B calculation. The 2-byte CRC_B follows the data bytes in the frame.
Figure 3-1. Location of the Two CRC_B Bytes within a Frame
SOF
K data bytes
CRC1
CRC2
EOF
3.3
Type A Tolerance
The RF Interface is designed for use in multi-protocol applications. It will not latch or lock up if exposed to Type A signals
and will not respond to them. The PICC may reset in the presence of Type A field modulation but is not damaged by
exposure to Type A signals.
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4.
User Memory
The EEPROM user memory is divided into 16 user zones as shown in Table 4-1. Multiple zones allow for different types
of data or files to be stored in different zones. Access to the user zones is allowed only after security requirements have
been met. These security requirements are defined by the user in the configuration memory during personalization of the
device. The EEPROM memory page length is 32 bytes.
Table 4-1. Memory Map
Zone
$0
$1
$2
$3
$4
$5
$6
$7
$000
—
512 bytes
User 0
—
$1F8
$000
—
User 1
—
—
—
—
$1F8
$000
—
User 14
512 bytes
User 15
—
$1F8
5.
Configuration Memory
The configuration memory consists of 2048 bits of EEPROM memory used for storing system data, passwords, keys,
codes, and security-level definitions for each user zone. Access rights to the configuration zone are defined in the control
logic and may not be altered by the user. These access rights include the ability to program certain portions of the
configuration memory and then lock the data written through use of the security fuses.
5.1
Security Fuses
There are three fuses on the device that must be blown during the device personalization process. Each fuse locks
certain portions of the configuration memory as OTP memory. Fuses are designated for the module manufacturer, card
manufacturer and card issuer and must be blown in sequence.
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6.
Communication Security
Communication between the PICC and reader operates in three basic modes:
Standard Communication Security Mode — The default mode for the device after power-up and anticollision.
Authentication Communication Security Mode — Activated by a successful authentication sequence.
Encryption Communication Security Mode — Activated by a successful encryption activation sequence,
following a successful authentication.
Table 6-1. Configuration Security Modes
Communication Mode
Standard
User Data
Passwords
Clear
Data Integrity Check
MDC(1)
Clear
Clear
Authentication
Encryption
Encrypted
Encrypted
MAC(2)
Encrypted
MAC(2)
Notes: 1. Modification Detection Code.
2. Message Authentication Code.
6.1
Security Methodology
Figure 6-1. Security Methodology
Device (Card)
Host (Reader)
Card Number
COMPUTE Challenge A
Challenge A
VERIFY A
Compute Challenge B
Challenge B
VERIFY B
Check Password (RPW)
DATA
Read Password (RPW)
VERIFY CS (optional)
Checksum (CS)
Check Password (WPW)
VERIFY CS
Write Password (WPW)
DATA
CS
Write DATA
6.2
Memory Access
Depending on the device configuration, the host will carry out the authentication protocol and/or present different
passwords for each operation: Read or Write. To insure security between the different user zones (multi-application
card), each zone can use a different set of passwords. A specific attempts counter for each password and for the
authentication provides protection against systematic attacks.
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7.
Security Operations
7.1
Anti-tearing
In the event of a power loss during a write cycle, the integrity of the device’s stored data may be recovered. This function
is optional — The host may choose to activate the antitearing function depending on application requirements.
When anti-tearing is active, Write commands take longer to execute since more write cycles are required to
complete them.
Data writes are limited to 8-byte pages when anti-tearing is active.
Data is written first to a buffer zone in EEPROM instead of to the intended destination address, but with the same access
conditions. The data is then written to the required location. If this second write cycle is interrupted due to a power loss,
the device will automatically recover the data from the buffer zone at the next power-up.
7.2
7.3
Password Verification
Passwords may be used to protect user zones Read and/or Write access. When a password is presented using the
Check Password command, it is memorized and active until power is removed unless a new password is presented or a
valid DESELECT or IDLE command is received. Only one password is active at a time, but Write passwords also give
Read access.
Authentication Protocol
The access to a user zone may be protected by an authentication protocol in addition to password dependent rights.
Passwords are encrypted in authentication mode.
The authentication success is memorized and active as long as the chip is powered, unless a new authentication is
initialized or a valid DESELECT or IDLE command is received. If the new authentication request is not validated, the card
loses its previous authentication and it must be presented again. Only the last request is memorized.
7.4
Encryption
The data exchanged between the card and the reader during Read, Write, and Check Password commands may be
encrypted to ensure data confidentiality.
The issuer may choose to protect the access to a user zone with an encryption key by settings made in the configuration
memory. In that case, activation of the encryption mode is required in order to read/write data in the zone.
The encryption activation success is memorized and active as long as the chip is powered, unless a new initialization is
initiated or a valid DESELECT or IDLE command is received. If the new encryption activation request is not validated, the
card will no longer encrypt data during Read operations nor will it decrypt data received during Write or Check Password
operations.
7.5
Checksum
The PICC implements a data validity check function in the form of a checksum. The checksum may function in standard
or cryptographic mode. In the standard mode, the checksum is optional and may be used for transmission error
detection. The cryptographic mode is more powerful since it provides data origin authentication capability in the form of a
Message Authentication Code (MAC). To write data to the device, the host is required to compute a valid MAC and
provide it to the device. If after an ingoing command the device computes a MAC different from theMAC transmitted by
the host, not only is the command abandoned but the cryptographic mode is also reset. A new authentication is required
to reactivate the cryptographic mode.
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7.6
Initial Device Programming
CryptoRF is delivered with all security features disabled. To program the polling response or enable the security features
of CryptoRF the device must be personalized by programming several registers. This is accomplished by programming
the configuration memory using simple Write and Read commands.
7.7
Transport Password
To gain access to the configuration memory, a transport password known as the secure code must be presented using
the Check Password command. The secure code for AT88SC6416CRF is $70 BA 2E.
8.
Tuning Capacitance
The capacitance between the coil pins AC1 and AC2 is 82pF nominal and may vary ±10% over temperature and process
variation.
9.
Reliability
Parameter
Min
100,000
10
Typ
—
Max
—
Units
Write Cycles
Years
Write Endurance
Data Retention
—
—
10. Mechanical
10.1 Engineering Samples
Sample Code
Sample Description
Maximum Range
AT88SC6416CRF-MR1
AT88SC6416CRF-L01B
AT88SC6416CRF-MX1
R Module, 82pF, on 35mm Tape
RF Smart Card, ID-1 size, PVC
8 − 10cm
RFID Tag, 13mm square, on 35mm Tape
10 − 15mm
10.2 Ordering Information
Ordering Code
Package
Tuning Capacitor
Temperature Range
Commercial (0°C to 70°C)
Commercial (−25°C to 70°C)
Industrial (25°C to 85°C)
AT88SC6416CRF-MR1
AT88SC6416CRF-MX1
AT88SC6416CRF-WA1
R Module
82pF
MX1 RFID Tag, 13mm square
6mil Wafer, 150mm diameter
82pF
Package Type
R Module
Description
2-lead RF Smart Card Module, XOA2 style, RoHS Compliant
13mm x 13mm Square Epoxy Glass RFID Tag on 35mm tape, Au finish, Green(1)
MX1 RFID Tag
Note: 1. Lead-free, halogen-free package. Exceeds RoHS requirements.
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10.3 Packaging Information — Mechanical Drawings
10.3.1 Module R Package — Ordering Code: AT88SC6416CRF-MR1
Module Size: M5
Dimension:
Glob Top:
Thickness:
Pitch:
5.06mm x 8.00mm
Square – 4.8mm x 5.1mm
0.38mm
9.5mm
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10.3.2 MX1 Epoxy Glass RFID Tag — Ordering Code: AT88SC6416CRF-MX1
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11. Revision History
Doc. Rev.
Date
Comments
Changed commercial temperature range from 25C to -25C.
Changed industrial temperature range from -40C to 25C.
5006FS
10/2012
Remove MY1 package option.
Add MX1 package option.
5006ES
5006DS
09/2012
04/2009
Update template and Atmel logo.
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5006FS–CRRF–10/2012
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© 2012 Atmel Corporation. All rights reserved. / Rev.: 5006FS–CRRF–10/2012
Atmel®, Atmel logo and combinations thereof, Enabling Unlimited Possibilities®, CryptoMemory®, CryptoRF®, and others are registered trademarks or trademarks of
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