AT88RF256-12
器件描述：125 kHz RFID Chip for Cards and Tags
器件厂商：ATMEL [ATMEL Corporation]
文件大小：190.79KB，共12页
Sponsor by e络盟器件资料摘要：
125 kHz RFID
Transponder
Chip
AT88RF256-12
Preliminary
Rev. 1684A–07/00
Features
• 125 kHz RFID Chip for Cards and Tags
256 Read/Write EEPROM Bits, Divided into Eight Pages of 32 Bits
Password and Write Lock Protection
Programmable Send and Receive Protocols
Support for Multiple Tags (Anti-collision)
Integrated 150 pF Tuning Capacitor
ID Length Programmable from 4 - 19 Bytes
Optional Start and Stop Bits
Bit Reception Rate of 32 to 4096 Clocks/Bit
Bit Transmission Rate of 16 to 1024 Clocks/Bit
Unique Serial Number
-40° to +85°C Temperature Range
Description
The AT88RF256 is an RFID (radio frequency identification) chip designed to work on
the industry-standard carrier frequency of 125 kHz. Applications include access
control, asset identification, industrial tagging, animal identification and other
applications where modest security capabilities are necessary. Security features
include locking of sensitive information to prevent tampering, optional passwords to
prevent unauthorized access and unique serial numbers locked into the chip by Atmel.
(continued)
Block Diagram
Typical Operating Configuration
V
DD
V
SS
EEPROM
AT88RF256-12
L2
L1
RF Power
Data
External Coil
Typical Coil Inductance @125 kHz is ~10.1 mH
1
Transponder
Chip
AT88RF256-12
Preliminary
Rev. 1684A–07/00
Features
• 125 kHz RFID Chip for Cards and Tags
256 Read/Write EEPROM Bits, Divided into Eight Pages of 32 Bits
Password and Write Lock Protection
Programmable Send and Receive Protocols
Support for Multiple Tags (Anti-collision)
Integrated 150 pF Tuning Capacitor
ID Length Programmable from 4 - 19 Bytes
Optional Start and Stop Bits
Bit Reception Rate of 32 to 4096 Clocks/Bit
Bit Transmission Rate of 16 to 1024 Clocks/Bit
Unique Serial Number
-40° to +85°C Temperature Range
Description
The AT88RF256 is an RFID (radio frequency identification) chip designed to work on
the industry-standard carrier frequency of 125 kHz. Applications include access
control, asset identification, industrial tagging, animal identification and other
applications where modest security capabilities are necessary. Security features
include locking of sensitive information to prevent tampering, optional passwords to
prevent unauthorized access and unique serial numbers locked into the chip by Atmel.
(continued)
Block Diagram
Typical Operating Configuration
V
DD
V
SS
EEPROM
AT88RF256-12
L2
L1
RF Power
Data
External Coil
Typical Coil Inductance @125 kHz is ~10.1 mH
1