ST62E40B datasheet(5/72 Pages) STMICROELECTRONICS

Il numero della parte	ST62E40B

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

PDF	72 Pages

Scroll/Zoom	100%

Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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ST62T40B/E40B

1 GENERAL DESCRIPTION

1.1 INTRODUCTION

The ST62T40B and ST62E40B 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

common core is surrounded by a number of on-

chip peripherals.

The ST62E40B is the erasable EPROM version of

the ST62T40B device, which may be used to em-

ulate the ST62T40B device, as well as the respec-

tive ST6240B ROM devices.

Figure 1. Block Diagram

TEST

NMI

INTERRUPT

PROGRAM

STACK LEVEL 1

STACK LEVEL 2

STACK LEVEL 3

STACK LEVEL 4

STACK LEVEL 5

STACK LEVEL 6

POWER

SUPP LY

OSCILLATOR

RESET

DATA ROM

USER

SELECTABLE

DATA RAM

PORT A

PORT B

TIMER 1

DIGITAL

8 BIT CORE

TEST/VPP

8-BIT

A/D CONVERTER

PA0..PA7/Ain

VDD VSS OSCin OSCout

RESET

WATCHD OG

Memory

PORT C

SPI (SERIAL

PERI PHERAL

INTE RFACE)

192 Bytes

7948 bytes

DATA EEPROM

128 Bytes

PB0..PB3/Ai n

PC0..PC7/S33..S40

S4..S32, S41..S48

COM1..COM4

(VPP on EPROM/OTP versions only)

TIMER

PB4/20mA Sink

PB5/Scl/20mA Sink

PB6/Sin/20mA Sink

PB7/Sout/20mA Sink

VLCD

VLCD1/3

VLCD2/3

OSC 32kHz

TIMER 2

OSC32in

OSC32out

PSS

LCD DRIVER

POWER SUPPLY

SUPERVI SOR

WDON

VA0479

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