AT89C5131A-RDTIM datasheet(182/186 Pages) ATMEL

182 / 186 page

Table of Contents

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

Description ............................................................................................ 2

Block Diagram ....................................................................................... 3

Pinout Description ................................................................................ 4

Pinout ................................................................................................................... 4

Signals................................................................................................................... 7

Typical Application ............................................................................. 12

Recommended External components ................................................................ 12

PCB Recommandations ..................................................................................... 13

Clock Controller .................................................................................. 14

Introduction......................................................................................................... 14

Oscillator ............................................................................................................ 14

PLL ..................................................................................................................... 15

Registers ............................................................................................................. 17

SFR Mapping ....................................................................................... 19

Dual Data Pointer Register ................................................................. 26

Program/Code Memory ...................................................................... 28

External Code Memory Access .......................................................................... 28

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

Overview of FM0 Operations.............................................................................. 30

Registers ............................................................................................................ 36

Flash EEPROM Memory ..................................................................... 37

General Description............................................................................................ 37

Features ............................................................................................................. 37

Flash Programming and Erasure ....................................................................... 37

Flash Registers and Memory Map....................................................................... 38

Flash Memory Status ......................................................................................... 41

Memory Organization ......................................................................................... 41

EEPROM Data Memory ....................................................................... 42

Description ......................................................................................................... 42

Write Data in the Column Latches...................................................................... 42

Programming ...................................................................................................... 42

AT89C5131A-RDTIM Datenblatt(PDF) 182 Page - ATMEL Corporation