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CRX14

Low Cost ISO14443 type-B Contactless Coupler Chip with Anti-Collision, CRC Management and Anti-Clone Function

STMicroelectronics 

CRX14

Low Cost ISO14443 type-B Contactless Coupler Chip

with Anti-Collision, CRC Management and Anti-Clone Function

FEATURES SUMMARY

■ Single 5V ±500mV Supply Voltage

■ SO16N package

■ Contactless Communication

– ISO14443 type-B protocol

– 13.56MHz Carrier Frequency using an

External Oscillator

– 106 Kbit/s Data Rate

– 36 Byte Input/Output Frame Register

– Supports Frame Answer with/without

SOF/EOF

– CRC Generation and Check

– France Telecom Proprietary Anti-Clone

Function

– Automated ST Anti-Collision Exchange

■ I²C Communication

– Two Wire I²C Serial Interface

– Supports 400kHz Protocol

– 3 Chip Enable Pins

– Up to 8 CRX14 Connected on the Same

Bus

Figure 1. Delivery Form

16

1

SO16 (MQ)

150 mils width

July 2005

1/40

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