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AT88SC0204CRF 데이터시트 PDF




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부품번호 AT88SC0204CRF 기능
기능 13.56 MHz CryptoRF EEPROM Memory 2 Kbits
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AT88SC0204CRF 데이터시트, 핀배열, 회로
Features
One of a Family of Devices with User Memory of 1 Kbit to 64 Kbits
Contactless 13.56 MHz 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 Multicard RF Communications
– Tolerant of Type A Signaling for Multiprotocol Applications
Integrated 82 pF Tuning Capacitor
User EEPROM Memory
– 2 Kbits Configured as Four 64-byte (512-bit) 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)
www.DataSheet4UU.sceomr-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
– Four Sets of Two 24-bit Passwords
– Password and Authentication Attempts Counters
– Selectable Access Rights by Zone
– Antitearing Function
– Tamper Sensors
High Reliability
– Endurance: 100,000 Write Cycles
– Data Retention: 10 Years
– Operating Temperature: 40°C to +85°C
13.56 MHz
CryptoRF
EEPROM Memory
2 Kbits
AT88SC0204CRF
Summary
Description
The CryptoRF® family integrates a 13.56 MHz RF interface into a CryptoMemory®,
resulting in a contactless smart card with advanced security and cryptographic fea-
tures. 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 Anti-
collision Protocol. Data is exchanged half duplex at a 106-kbit/s rate, with a two-byte
CRC_B providing error detection capability. The maximum communication range
between the reader antenna and contactless card is approximately 10 cm 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 communi-
cation interface and a robust anticollision protocol.
The AT88SC0204CRF contains 2 Kbits of user memory and 2 Kbits of configuration
memory. The 2 Kbits of configuration memory contain four sets of read/write pass-
words, four crypto key sets, security access registers for each user zone, and
password/key registers for each zone.
The CryptoRF command set is optimized for a multicard RF communications environ-
ment. 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 par-
ticular application during the anticollision process.
Rev. 5022CS–CRRF–12/06
Note: This is a summary document. A complete document is available
under NDA. For more information, please contact your local Atmel
sales office.




AT88SC0204CRF pdf, 반도체, 판매, 대치품
User Memory
www.DataSheet4U.com
Configuration
Memory
Security Fuses
The EEPROM user memory is divided into four user zones as shown in the memory
map in Table 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 16
bytes.
Table 1. Memory Map
Zone
$00
User 0
$38
$00
User 1
$38
$00
User 2
$38
$00
User 3
$38
$0 $1 $2 $3 $4 $5 $6 $7
64 Bytes
64 Bytes
64 Bytes
64 Bytes
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.
There are three fuses on the device that must be blown during the device personaliza-
tion 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.
4 AT88SC0204CRF
5022CS–CRRF–12/06

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AT88SC0204CRF 전자부품, 판매, 대치품
AT88SC0204CRF
Transport Password
Tuning Capacitance
Reliability
www.DataSheet4U.com
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
AT88SC0204CRF is $20 C2 8B.
The capacitance between the coil pins AC1 and AC2 is 82 pF nominal and may vary
±10% over temperature and process variation.
Table 3. Reliability
Parameter
Write endurance
Data retention
Min
100,000
10
Typ
Max Units
Write
Cycles
– Years
Mechanical
Engineering Samples
Sample Code
AT88SC0204CRF-MR1
AT88SC0204CRF-L01B
AT88SC0204CRF-MU1
AT88SC0204CRF-MS1
Sample Description
R Module, 82 pF, on 35 mm tape
RF Smart Card, ID-1 size, PVC
RFID Tag, 17 mm diameter, on 35 mm tape
RFID Tag, 10 x 20 mm size, on 35 mm tape
Maximum Range
810 cm
13 cm
1015 mm
5022CS–CRRF–12/06
7

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관련 데이터시트

부품번호상세설명 및 기능제조사
AT88SC0204CRF

13.56 MHz CryptoRF EEPROM Memory 2 Kbits

ATMEL Corporation
ATMEL Corporation

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