AT90SCR100 datasheet(427/433 Pages) ATMEL

427 / 433 page

TPR0327AY–SMS–30Jan09

AT90SCR100

Table of Contents

General Features....................................................................................... 1

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

Pin List Configuration ............................................................................. 5

Resources ................................................................................................. 9

About Code Examples ........................................................................... 11

AVR CPU Core ........................................................................................ 13

5.1

Introduction ......................................................................................................13

5.2

Architectural Overview .....................................................................................13

5.3

ALU – Arithmetic Logic Unit .............................................................................14

5.4

Status Register ................................................................................................15

5.5

General Purpose Register File ........................................................................16

5.6

Stack Pointer ...................................................................................................17

5.7

Instruction Execution Timing ...........................................................................17

5.8

Reset and Interrupt Handling ...........................................................................18

AT90SCR100 Memories ......................................................................... 21

6.1

In-System Reprogrammable Flash Program Memory .....................................21

6.2

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

6.3

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

6.4

I/O Memory ......................................................................................................29

Clock System ......................................................................................... 31

7.1

Overview ..........................................................................................................31

7.2

Clock Sources .................................................................................................33

7.3

Clock Output Buffer .........................................................................................40

7.4

Clock System Registers ..................................................................................40

Power Management and Sleep Modes ................................................. 43

8.1

Power Modes Descriptions ..............................................................................43

8.2

Power Reduction Register ...............................................................................45

8.3

Important note about: Entering and Leaving low consumption modes ............47

8.4

Minimizing Power Consumption ......................................................................48

System Control and Reset .................................................................... 51

9.1

Resetting the AVR ...........................................................................................51

AT90SCR100 데이터시트(PDF) 427 Page - ATMEL Corporation

AT90SCR100 데이터시트(HTML) 427 Page - ATMEL Corporation

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