AT80SND1C-ROTIL datasheet(206/210 Pages) ATMEL

206 / 210 page

Table of Contents

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

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

Typical Applications ............................................................................. 2

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

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

Pinouts ................................................................................................................. 3

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

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

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

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

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

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

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

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

ROM Memory Architecture ................................................................................. 17

Flash Memory Architecture ................................................................................ 18

Hardware Security System .................................................................................. 19

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

Preventing Flash Corruption............................................................................... 20

Registers ............................................................................................................. 21

Hardware Bytes ................................................................................................... 22

Data Memory ....................................................................................... 23

Internal Space .................................................................................................... 23

External Space .................................................................................................... 25

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

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

Special Function Registers ................................................................ 30

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

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

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

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

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

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