Rainbow-electronics AT89C5132 Manual do Utilizador descarregar pdf (Página 159)

159

AT8xC5132

4173A–8051–08/02

Table of Contents

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

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

Typical Applications ............................................................................. 1

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

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

Pin Description ..................................................................................... 6

Internal Pin Structure .......................................................................................... 11

Clock Controller .................................................................................. 12

Oscillator............................................................................................................. 12

X2 Feature.......................................................................................................... 12

PLL ..................................................................................................................... 13

Registers..............................................................................................................15

Program/Code Memory ...................................................................... 18

ROM Memory Architecture ................................................................................. 18

Flash Memory Architecture................................................................................. 19

Hardware Security System ................................................................................. 20

Boot Memory Execution...................................................................................... 20

Registers..............................................................................................................22

Hardware Bytes ...................................................................................................23

Data Memory ....................................................................................... 24

Internal Space..................................................................................................... 24

External Space ....................................................................................................26

Dual Data Pointer ............................................................................................... 28

Registers............................................................................................................. 29

Special Function Registers ................................................................ 31

Interrupt System ................................................................................. 36

Interrupt System Priorities .................................................................................. 36

External Interrupts .............................................................................................. 39

Registers..............................................................................................................40

Power Management ............................................................................ 46

Reset .................................................................................................................. 46

Reset Recommendation to Prevent Flash Corruption ........................................ 46

Idle Mode............................................................................................................ 47

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Rainbow-electronics AT89C5132 Manual do Utilizador Página 159