AT88SC0808CRF 데이터 시트보기 (PDF) - Atmel Corporation

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AT88SC0808CRF

CryptoRF™ EEPROM Memory 8 Kbits

Atmel Corporation 

Block Diagram

Figure 1. Block Diagram

RF Interface

AC1

AT88SC0808CRF

Command

and

Response

EEPROM

Over

C

Voltage

Clamp

Rectifier

VSS

Regulator

VDD

AC2

Clock

Extraction

Data

Extraction

Password

Verification

Frame Formatting

and

Error Detection

Interface

Anticollision

Random Number

Generator

Data Transfer

Authentication

Encryption and

Certification Unit

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.

• PCD – Proximity Coupling Device: the reader/writer and antenna.

• PICC – Proximity Integrated Circuit Card: the tag/card containing the IC and

antenna.

• ETU – Elementary Time Unit: the time required to transmit or receive one data bit.

One ETU is equal to 128 carrier cycles (9.439 microseconds).

• RFU – Reserved for Future Use: any feature, memory location, or bit that is held as

reserved for future use

• $ xx – Hexadecimal Number: denotes a hex number “xx” (Most Significant Bit on

left)

• xxxx b – Binary Number: denotes a binary number “xxxx” (Most Significant Bit on

left)

3

5027AS–CRRF–05/03

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