ST16SF48 datasheet(2/2 Pages) STMICROELECTRONICS

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ST16SF48

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DESCRIPTION

The ST16SF48, a member of the standard ST16

device family, is a serial access microcontroller

especially designed for high volume and cost

competitive

Smartcard

applications

where

firmware security algorithm must be implemented.

The ST16SF48 is based on 8 bit CPU core and in-

cludes on chip memories: 384 Bytes of RAM, 16

KBytes of USER ROM, 1.5 KByte of SYSTEM

ROM, and 8176 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 ST16SF48 product

manufactured

using

STMicroelectronics

ad-

vanced CMOS EEPROM technology confirm data

retention up to 10 years and endurance up to

300,000 Erase/Write cycles.

As all other ST16 family members, the ST16SF48

is fully compatible with the ISO standards for

Smartcard applications.

Software development (ROM code, options) can

be completed by the ST16-19HDS development

system.

The ST16SF48 can be delivered either in unsawn

or sawn wafers, 180 or 275 micron thickness as

well as in micromodule package.

Figure 1. Block Diagram

SCP 102b/DS

MEMORY ACCESS CONTROL MATRIX

CPU

BYTES

SERIAL I/0's

INTERFACE

NUMBER

GENERATOR

INTERNAL BUS

RAM

SECT.

SECTOR

SECTORS

COMBIN.

ROM

GENERATION

EEPROM

SECTORS COMBINATIVE

RST

GND

I/O1

CLK

SYSTEM

ROM

SECT.

SECURITY

LOGIC

I/O2

8 BIT

384

1615 KBytes

8176 Bytes

1.5 KBtyte

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