T89C5115-RATIM datasheet(102/105 Pages) ATMEL

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T89C5115

4128A–8051–04/02

Table of Contents

Features ................................................................................................. 1

Description ............................................................................................ 1

Block Diagram ....................................................................................... 2

Pin Configuration .................................................................................. 3

I/O Configurations................................................................................................. 6

Port Structure........................................................................................................ 6

Read-Modify-Write Instructions ............................................................................ 7

Quasi-bidirectional Port Operation........................................................................ 7

SFR Mapping ......................................................................................... 9

Clock .................................................................................................... 13

Description.......................................................................................................... 13

Register .............................................................................................................. 16

Power Management ............................................................................ 17

Introduction ......................................................................................................... 17

Reset .................................................................................................................. 17

Reset Recommendation to Prevent Flash Corruption ........................................ 17

Idle Mode ............................................................................................................ 18

Power-down Mode.............................................................................................. 18

Registers..............................................................................................................20

Data Memory ....................................................................................... 21

Internal Space..................................................................................................... 21

Dual Data Pointer ............................................................................................... 23

Registers............................................................................................................. 24

EEPROM Data Memory ....................................................................... 26

Write Data in the Column Latches ...................................................................... 26

Programming ...................................................................................................... 26

Read Data........................................................................................................... 26

Examples ............................................................................................................ 27

Registers............................................................................................................. 28

Program/Code Memory ...................................................................... 29

Flash Memory Architecture................................................................................. 29

Overview of FM0 Operations .............................................................................. 31

Registers............................................................................................................. 37

T89C5115-RATIM 数据表(PDF) 102 Page - ATMEL Corporation

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