Atmel AVR Assembler

AVR Assembler Help

Welcome to the ATMEL AVR Assembler.

What's New
Known Issues

Please select between the following Help items:

General information
Assembler source file composition
Instruction set overview

Arithmetic and Logic Instructions
Branch Instructions
Data Transfer Instructions
Bit and Bit-test Instructions

Assembler directives
Expressions

Expression operands
Expression operators
Functions in expressions

AVR Assembler 2 features

The Assembler is supplied as a WIN32 console program that can be used stand-alone or automatically invoked by AVR Studio. A description of how to use the Command line Assembler is included in this help file

Device specific instruction set summaries:

The actual instruction set varies between the devices. Use these links to verify the instruction set for the desired device.

AT90S1200
AT90S2313
AT90S2323 and AT90S2343
AT90S2333 and AT90S4433
AT90S4414 and AT90S8515
AT90S4434 and AT90S8535
AT90C8534
ATtiny10, ATtiny11 and ATtiny12
ATtiny13/ATtiny2313
ATtiny25/ATtiny45/ATtiny85
ATtiny24/ATtiny44/ATtiny84
ATtiny261/ATtiny461/ATtiny861
ATtiny15
ATtiny22
ATtiny26
ATtiny261/461/861
ATtiny28
ATmega8 / ATmega48/88/168 / ATmega8515 / ATmega8535
ATmega16
ATmega161
ATmega162
ATmega163
ATmega169/165/329/325/3250/649/645
ATmega32
ATmega323
ATmega103
ATmega64/640/644, AT90CAN32/64
ATmega128/1280/1281 and AT90CAN128
ATmega406
ATmega2560/2561
AT90PWM2/3