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ST16RF52

Smartcard MCU With 2048 Bytes EEPROM for Contactless/Contact Applications

STMicroelectronics 

ST16RF52

DESCRIPTION

The ST16RF52, a member of the standard ST16

device family, is a serial access microcontroller

especially designed for large volume contactless/

contact Smartcard applications.

The ST16RF52 is based on 8 bit CPU core and in-

cludes on chip memories: 512 Bytes of RAM, 22

KBytes of USER ROM, SYSTEM ROM, and 2048

Bytes of EEPROM.

Both ROM and EEPROM memories can be con-

figured into two sectors. Access rules from any

memory section or sector to any other are set-up

by the User’s defined Memory Access Control Ma-

trix (MACM).

Reliability data related to the ST16RF52 product,

manufactured using STMicroelectronics’ ad-

vanced CMOS EEPROM technology, confirm

data retention of up to 10 years and endurance up

to 300,000 Erase/Write cycles.

Contact operation is fully compatible with the ISO

standards for Smartcard applications.

Figure 1 Block Diagram

8 BIT

CPU

RAM

512 Bytes

SYSTEM

ROM

ROM

22 KBytes

SECTORS

COMBIN.

SECT.

S

SECT. SECT.

A

B

VCC GENERATION

EEPROM

2048 Bytes

SECTORS COMBINATIVE

SECTOR

A

SECTOR

B

MEMORY ACCESS CONTROL MATRIX

CLK

SERIAL I/0

INTERFACE

RF INTERFACE

AC1

AC0

I/O1

INTERNAL BUS

NUMBER

GENERATOR

SECURITY

LOGIC

RST

VCC

GND

SCP 076c/DS

2/2

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