ST19GF34 datasheet(2/2 Pages) STMICROELECTRONICS

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ST19GF34

2/2

HARDWARE DESCRIPTION

The ST19GF34, a member of the ST19 device

family, is a serial access microcontroller especially

designed for very large volume and cost competi-

tive secure portable objects.

The ST19GF34 is based on a STMicroelectronics

8 bit CPU core including on-chip memories: 1984

Bytes of RAM, 56 K Bytes of USER ROM and 34

K Bytes of EEPROM.

RAM, ROM and EEPROM memories can be con-

figured into partitions. Access rules from any

memory partition to another partition are setup by

the user defined Memory Access Control Logic.

It is manufactured using the highly reliable ST

technology.

As all other ST19 family members, it is fully com-

patible with the ISO standards for Smartcard appli-

cations.

SOFTWARE DESCRIPTION

Software development and firmware (ROM code/

options) generation are completed by the ST16-19

HDSE development system.

Figure 1. Block Diagram

SCP 101b/DS

INTERNAL BUS

RESET

SERIAL

I/O

INTER-

FACE

8 BIT

CPU

8 BIT

TIMER

CLOCK

GENERA-

TOR

MODULE

UNPRE-

DICTABLE

NUMBER

GENERATOR

RAM

EEPROM

USER

ROM

SYSTEM ROM

FIREWALL

MEMORY ACCESS FIREWALL

CLK

I/O

GND

Vcc

SYSTEM ROM

SECURITY

ADMINISTRATOR

1984

Bytes

34 K

Bytes

56 K

Bytes

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