AT88SC0404CRF-MR1 Atmel, AT88SC0404CRF-MR1 Datasheet - Page 2

• Manufacturer Part Number: AT88SC0404CRF-MR1
• Manufacturer: Atmel

Specifications of AT88SC0404CRF-MR1

• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Compliant

The AT88SC0404CRF contains 4 Kbits of user memory and 2 Kbits of configuration memory. The 2 Kbits of configuration
memory contain four sets of read/write passwords, 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 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.
3. Block Diagram
Figure 3-1.
2
RF Interface
AC1
AC2
C
AT88SC0404CRF
Voltage
Clamp
Over
Block Diagram
VSS
Regulator
Extraction
Extraction
Clock
Data
V
DD
Frame Formatting
Error Detection
Command
Response
Interface
and
and
Random Number
Anticollision
Verification
Generator
Password
EEPROM
5023DS–CRRF–04/09
Data Transfer
Certification Unit
Encryption and
Authentication