AT89C5131A-RDTUM datasheet(184/188 Pages) ATMEL

184 / 188 page

Table of Contents

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

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

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

3.1

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

3.2

Signals ...............................................................................................................6

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

4.1

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

4.2

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

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

5.1

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

5.2

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

5.3

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

5.4

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

SFR Mapping .......................................................................................... 20

Dual Data Pointer Register .................................................................... 27

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

8.1

External Code Memory Access .......................................................................29

8.2

Flash Memory Architecture ..............................................................................31

8.3

Overview of FM0 Operations ...........................................................................32

8.4

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

Flash EEPROM Memory ........................................................................ 38

9.1

General Description .........................................................................................38

9.2

Features ..........................................................................................................38

9.3

Flash Programming and Erasure .....................................................................38

9.4

Flash Registers and Memory Map ...................................................................39

9.5

Flash Memory Status .......................................................................................42

9.6

Memory Organization ......................................................................................42

EEPROM Data Memory .......................................................................... 43

10.1

Description .......................................................................................................43

10.2

Write Data in the Column Latches ...................................................................43

AT89C5131A-RDTUM Datasheet(PDF) 184 Page - ATMEL Corporation

AT89C5131A-RDTUM Datasheet(HTML) 184 Page - ATMEL Corporation

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