TS80C31X2-ELER 查看數據表（PDF） - Atmel Corporation

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产品描述 (功能)

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TS80C31X2-ELER

8-bit CMOS Microcontroller ROMless

Atmel Corporation 

TS80C31X2

3. Block Diagram

XTAL1

XTAL2

ALE/ PROG

PSEN

EA

RD (1)

WR (1)

(1) (1)

RAM

EUART 128x8

CPU

C51

CORE

IB-bus

Timer 0 INT

Timer 1 Ctrl

(1) (1) (1) (1)

Parallel I/O Ports & Ext. Bus

Port 0 Port 1 Port 2 Port 3

(1): Alternate function of Port 3

2

Rev. C - 15 January, 2001

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