DESCRIPTION

The ST16HF52, a member of the standard ST16 device family, is a serial access microcontroller especially designed for large volume contactless/ contact Smartcard applications.

The ST16HF52 is based on 8 bit CPU core and includes on chip memories: 512 Bytes of RAM, 22 KBytes of USER ROM, SYSTEM ROM, and 2048 Bytes of EEPROM.

■ 8 BIT ARCHITECTURE CPU

■ 22 KBytes of USER ROM, SECTOR COMBINATIVE

■ SYSTEM ROM

■ 512 Bytes of RAM

■ 2048 Bytes of EEPROM, SECTOR COMBINATIVE

– Highly reliable CMOS EEPROM technology

– 10 year data retention

– 300,000 Erase/Write cycle endurance

– Protected One Time Programmable block (32 or 64 bytes)

– 1 to 32 bytes block either Erase or Write in single cycle programming

■ POWER SAVING STANDBY MODE

■ VERY HIGH SECURITY FEATURES INCLUDING EEPROM FLASH ERASE

■ ESD PROTECTION GREATER THAN 5000V

■ 2 OPERATING CONFIGURATIONS

– ISSUER

– USER

CONTACTLESS SPECIFIC FEATURES

■ COMPATIBLE WITH ISO 14443 TYPE B STANDARD

■ 13.56 MHZ CARRIER FREQUENCY

■ 106 KBIT/S DATA TRANSFER

■ AMPLITUDE MODULATION READER TO CARD

■ LOAD MODULATION CARD TO READER

■ 3V OPERATION

■ HYPERPROXIMITY TM FEATURE

CONTACT SPECIFIC FEATURES

■ EXTENDED VOLTAGE OPERATION, Vcc Range: 2.7V to 5.5V

■ SERIAL ACCESS, ISO 7816-3 COMPATIBLE

■ UP TO 5 MHz INTERNAL OPERATING FREQUENCY

■ CONTACT ASSIGNMENT COMPATIBLE ISO 7816-2