ST62T45B datasheet(5/72 Pages) STMICROELECTRONICS

Nome de Peças	ST62T45B

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

PDF	72 Pages

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Fabricante Electrônico	STMICROELECTRONICS [STMicroelectronics]

Página de início	http://www.st.com

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ST62T45B/E45B

1 GENERAL DESCRIPTION

1.1 INTRODUCTION

The ST62T45B and ST62E45B 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 ST62E45B is the erasable EPROM version of

the ST62T45B device, which may be used to em-

ulate the ST62T45B device, as well as the respec-

tive ST6245B ROM devices.

Figure 1. Block Diagram

TES T

NMI

INTERRUPT

PROGRAM

STAC K LEVEL 1

STAC K LEVEL 2

STAC K LEVEL 3

STAC K LEVEL 4

STAC K LEVEL 5

STAC K LEVEL 6

POWER

SUPPLY

OSCILLATOR

RESET

DATA ROM

USER

SELECTABLE

DATA RAM

PORT A

PORT B

TIMER 1

DIGITA L

8 BIT CORE

TEST/VPP

8-BIT

A/D CONVERTER

PA5..PA7/Ain

VDD VSS OSCin OSCout

RESET

WATC HDOG

Memory

PORT C

SPI (SERIAL

PERI PHERAL

INTERFACE)

12 8 Bytes

3884 bytes

DATA EEPROM

128 Bytes

PB0..PB3/Ain

PC0..PC7/S33..S40

S17..S32

COM1..COM4

(VPP on EPROM/OTP versions only)

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

LCD DRIVER

VR01994

TIMER

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