ST62E62CD データシートの表示（PDF） - STMicroelectronics

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ST62E62CD

8-BIT OTP/EPROM/FASTROM MCUs WITH A/D CONVERTER, SAFE RESET, AUTO-RELOAD TIMER AND EEPROM

STMicroelectronics 

ST62T52CM-Auto ST62T62CM-Auto

1 GENERAL DESCRIPTION

1.1 INTRODUCTION

The ST62T52C and ST62T62C devices is low cost

members of the ST62xx 8-bit HCMOS family of mi-

crocontrollers, which is targeted at low to medium

complexity applications. All ST62xx devices are

based on a building block approach: a common

core is surrounded by a number of on-chip periph-

erals.

The ST62E62C is the erasable EPROM version of

the ST62T62C device, which may be used to em-

ulate the ST62T52C and ST62T62C devices as

well as the ST6252C and ST6262B ROM devices.

OTP and EPROM devices are functionally identi-

cal. The ROM based versions offer the same func-

tionality selecting as ROM options the options de-

Figure 1. Block Diagram

fined in the programmable option byte of the

OTP/EPROM versions.

OTP devices offer all the advantages of user pro-

grammability at low cost, which make them the

ideal choice in a wide range of applications where

frequent code changes, multiple code versions or

last minute programmability are required.

These compact low-cost devices feature a Timer

comprising an 8-bit counter and a 7-bit program-

mable prescaler, an 8-bit Auto-Reload Timer,

EEPROM data capability (except ST62T52C), an

8-bit A/D Converter with 4 analog inputs and a Dig-

ital Watchdog timer, making them well suited for a

wide range of automotive, appliance and industrial

applications.

TEST/VPP

NMI

TEST

8-BIT

A/D CONVERTER

INTERRUPT

PROGRAM

MEMORY

1836 bytes OTP

(ST62T52C, T62C)

1836 bytes EPROM

(ST62E62C)

DATA ROM

USER

SELECTABLE

DATA RAM

128 Bytes

DATA EEPROM

64 Bytes

(ST62T62C/E62C)

PC

STACK LEVEL 1

STACK LEVEL 2

STACK LEVEL 3

STACK LEVEL 4

STACK LEVEL 5

STACK LEVEL 6

8 BIT CORE

POWER

SUPPLY

OSCILLATOR

RESET

VDD VSS OSCin OSCout RESET

PORT A

PORT B

PORT C

AUTORELOAD

TIMER

TIMER

PA4..PA5 / Ain

PB0, PB2..PB3 / 30 mA Sink

PB6 / ARTimin / 20 mA Sink

PB7 / ARTimout / 20 mA Sink

PC2..PC3 / Ain

DIGITAL

WATCHDOG

4/72

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