AT89C5132-ROTIL datasheet(178/181 Pages) ATMEL

178 / 181 page

4173D–USB–02/06

AT89C5132

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

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

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

Pin Description ......................................................................................... 3

4.1 Signals ......................................................................................................................4

4.2 Internal Pin Structure ..............................................................................................10

Address Spaces ..................................................................................... 11

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

6.1 Oscillator ................................................................................................................12

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

6.3 PLL .........................................................................................................................13

6.4 Registers ................................................................................................................14

Program/Code Memory ......................................................................... 17

7.1 Flash Memory Architecture ....................................................................................17

7.2 Hardware Security System .....................................................................................18

7.3 Boot Memory Execution .........................................................................................19

7.4 Registers ................................................................................................................20

7.5 Hardware Bytes ......................................................................................................20

Data Memory .......................................................................................... 22

8.1 Internal Space ........................................................................................................22

8.2 External Space .......................................................................................................23

8.3 Dual Data Pointer ...................................................................................................26

8.4 Registers ................................................................................................................27

Special Function Registers ................................................................... 29

Interrupt System .................................................................................... 34

10.1 Interrupt System Priorities ....................................................................................34

10.2 External Interrupts ................................................................................................37

10.3 Registers ..............................................................................................................38

Power Management ............................................................................... 44

11.1 Reset ....................................................................................................................44

11.2 Reset Recommendation to Prevent Flash Corruption ..........................................45

11.3 Idle Mode ..............................................................................................................46

11.4 Power-down Mode ...............................................................................................46

AT89C5132-ROTIL Folha de dados(PDF) 178 Page - ATMEL Corporation