3.17.5. AVR Options
3.17.5 AVR Options
These options are defined for AVR implementations:
-
-mmcu=
mcu -
Specify Atmel AVR instruction set architectures (ISA) or MCU type.
The default for this option is ‘
avr2
’.GCC supports the following AVR devices and ISAs:
avr2
- “Classic” devices with up to 8 KiB of program memory. mcu =
attiny22
,attiny26
,at90c8534
,at90s2313
,at90s2323
,at90s2333
,at90s2343
,at90s4414
,at90s4433
,at90s4434
,at90s8515
,at90s8535
. avr25
- “Classic” devices with up to 8 KiB of program memory and with the
MOVW
instruction. mcu =ata5272
,ata6616c
,attiny13
,attiny13a