Introduction

This data sheet describes the functionality of the CLRC632 Integrated Circuit (IC). It includes the functional and electrical specifications and from a system and hardware viewpoint gives detailed information on how to design-in the device.

Features and benefits

General

■ Highly integrated analog circuitry for demodulating and decoding card/label response

■ Buffered output drivers enable antenna connection using the minimum of external

components

■ Proximity operating distance up to 100 mm

■ Supports both ISO/IEC 14443 A and ISO/IEC 14443 B standards

■ Supports MIFARE dual-interface card ICs and the MIFARE Mini, MIFARE 1K,

MIFARE 4K protocols

■ Contactless communication at MIFARE higher baud rates (up to 424 kBd)

■ Supports both I-CODE1 and ISO/IEC 15693 protocols

■ Crypto1 and secure non-volatile internal key memory

■ Pin-compatible with the MFRC500, MFRC530, MFRC531 and the SLRC400

■ Parallel microprocessor interface with internal address latch and IRQ line

■ SPI compatibility

■ Flexible interrupt handling

■ Automatic detection of parallel microprocessor interface type

■ 64-byte send and receive FIFO buffer

■ Hard reset with low power function

■ Software controlled Power-down mode

■ Programmable timer

■ Unique serial number

■ User programmable start-up configuration

■ Bit-oriented and byte oriented framing

■ Independent power supply pins for analog, digital and transmitter modules

■ Internal oscillator buffer optimized for low phase jitter enables 13.56 MHz quartz

connection

■ Clock frequency filtering

■ 3.3 V to 5 V operation for transmitter in short range and proximity applications

■ 3.3 V or 5 V operation for the digital module

Applications

■ Electronic payment systems

■ Identification systems

■ Access control systems

■ Subscriber services

■ Banking systems

■ Digital content systems