ST62P45BQ1 データシートの表示（PDF） - STMicroelectronics

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ST62P45BQ1

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

STMicroelectronics 

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

Figure 1. Block Diagram

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.

T EST/VPP

NMI

TES T

8-BIT

A/D CONVERTER

INT ERRUPT

PR OGRAM

Memory

3884 bytes

DATA ROM

USER

SELECTABLE

DATA RAM

12 8 Bytes

DATA EEPROM

128 Bytes

PC

STAC K LEVEL 1

STAC K LEVEL 2

STAC K LEVEL 3

STAC K LEVEL 4

STAC K LEVEL 5

STAC K LEVEL 6

8 BIT CORE

POWER OSCILLATOR RESET

SUPPLY

VDD VSS OSCin OSCout RESET

(VPP on EPROM/OTP versions only)

PORT A

PORT B

PORT C

LCD DRIVER

OSC 32kHz

TIMER 2

TIMER 1

DIGITA L

WATC HDOG

SPI (SERIAL

PERI PHERAL

INT ERFACE)

PA 5..PA7/Ain

PB 0..PB3/Ain

PB4/20mA Sink

PB5/Scl/20mA Sink

PB6/Sin/20mA Sink

PB7/Sout/20mA Sink

PC0..PC7/S33..S40

S17..S32

COM1..COM4

VLCD

VLCD1/3

VLCD2/3

OSC32in

OSC32out

TIMER

VR01994

5/72

4

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