Rainbow-electronics AT90S2313 Bedienungsanleitung PDF herunterladen (Seite 90)

AT90S2313

0839I–AVR–06/02

Table of Contents

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

Pin Configuration.................................................................................. 1

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

Pin Descriptions.................................................................................................... 3

Crystal Oscillator................................................................................................... 4

Architectural Overview......................................................................... 5

General Purpose Register File ............................................................................. 7

ALU – Arithmetic Logic Unit.................................................................................. 8

In-System Programmable Flash Program Memory .............................................. 8

EEPROM Data Memory........................................................................................ 8

SRAM Data Memory............................................................................................. 9

Program and Data Addressing Modes................................................................ 10

Memory Access and Instruction Execution Timing ............................................. 14

I/O Memory......................................................................................................... 15

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

Sleep Modes....................................................................................................... 27

Timer/Counters ................................................................................... 27

Timer/Counter Prescaler..................................................................................... 27

8-bit Timer/Counter0........................................................................................... 28

16-bit Timer/Counter1......................................................................................... 30

Watchdog Timer.................................................................................. 37

EEPROM Read/Write Access............................................................. 39

Prevent EEPROM Corruption............................................................................. 41

UART.................................................................................................... 42

Data Transmission.............................................................................................. 42

Data Reception................................................................................................... 43

UART Control ..................................................................................................... 45

Analog Comparator ............................................................................ 48

I/O Ports............................................................................................... 50

Port B.................................................................................................................. 50

Port D.................................................................................................................. 55

Memory Programming........................................................................ 60

Program and Data Memory Lock Bits................................................................. 60

Fuse Bits............................................................................................................. 60

Signature Bytes .................................................................................................. 60

Programming the Flash and EEPROM............................................................... 60

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Rainbow-electronics AT90S2313 Bedienungsanleitung Seite 90