ST6242 데이터 시트보기 (PDF) - STMicroelectronics

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ST6242

8-BIT OTP/EPROM MCU WITH LCD DRIVER, EEPROM AND A/D CONVERTER

STMicroelectronics 

ST62T42B/E42B

1 GENERAL DESCRIPTION

1.1 INTRODUCTION

The ST62T42B and ST62E42B devices are low

cost members of the ST62xx 8-bit HCMOS family

of microcontrollers, which are targeted at low to

medium complexity applications. All ST62xx de-

vices are based on a building block approach: a

Figure 1. Block Diagram

common core is surrounded by a number of on-

chip peripherals.

The ST62E42B is the erasable EPROM version of

the ST62T42B device, which may be used to em-

ulate the ST62T42B device, as well as the respec-

tive ST6242B ROM devices.

TE ST/VPP

NMI

TEST

8-BIT

A/D CONVERTER

INTERRUPT

PROGR AM

Memory

7948 bytes

DATA ROM

USE R

SELECTABLE

DATA RAM

192 Bytes

DATA EEPROM

128 Bytes

PC

STACK LEVEL 1

STACK LEVEL 2

STACK LEVEL 3

STACK LEVEL 4

STACK LEVEL 5

STACK LEVEL 6

8 BIT CORE

POWER OSCILLATOR RESET

SUPP LY

VDD VSS OSCin OSCout RESET

(VPP on EPROM/OTP versions only)

PORT A

PORT B

PORT C

LCD DRIVER

PA4.. PA7/Ain

PB2..PB3/Ai n

PB4/20mA Sink

PB5/Scl/20mA Sink

PB6/Sin/20mA Sink

PB7/Sout/20mA Sink

PC0.. PC7/S33..S40

S9..S32, S41..S48

COM1..COM4

VLCD

VLCD1/3

VLCD2/3

TIMER 2

TIMER 1

DIGITAL

WATCHD OG

SPI (SERIAL

PERI PHERAL

INTE RFACE)

VA0479M

5/68

5

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