ATTINY84 / ATTINY85 - nefunguje seriová komunikace

Jestli jste myslel boot loader, tak k tomu mam toto:
attiny84at8.name=ATtiny84 @ 8 MHz (internal oscillator; BOD disabled)

attiny84at8.upload.tool=arduino:arduinoisp

attiny84at8.upload.maximum_size=8192
attiny84at8.upload.maximum_data_size=512

Default clock (slowly rising power; long delay to clock; 8 MHz internal)

Int. RC Osc. 8 MHz; Start-up time PWRDWN/RESET: 6 CK/14 CK + 64 ms; [CKSEL=0010 SUT=10]; default value

Brown-out detection disabled; [BODLEVEL=111]

Preserve EEPROM memory through the Chip Erase cycle; [EESAVE=0]

attiny84at8.bootloader.low_fuses=0xE2
attiny84at8.bootloader.high_fuses=0xD7
attiny84at8.bootloader.extended_fuses=0xFF

attiny84at8.bootloader.path=empty
attiny84at8.bootloader.file=empty84at8.hex
attiny84at8.bootloader.tool=arduino:avrdude

attiny84at8.build.mcu=attiny84
attiny84at8.build.f_cpu=8000000L
attiny84at8.build.core=tiny

###########################################################################

attiny84at1.name=ATtiny84 @ 1 MHz (internal oscillator; BOD disabled)

attiny84at1.upload.tool=arduino:arduinoisp

attiny84at1.upload.maximum_size=8192
attiny84at1.upload.maximum_data_size=512

Default clock (slowly rising power; long delay to clock; 8 MHz internal; divide clock by 8)

Int. RC Osc. 8 MHz; Start-up time PWRDWN/RESET: 6 CK/14 CK + 64 ms; [CKSEL=0010 SUT=10]; default value

Divide clock by 8 internally; [CKDIV8=0]

Brown-out detection disabled; [BODLEVEL=111]

Preserve EEPROM memory through the Chip Erase cycle; [EESAVE=0]

attiny84at1.bootloader.low_fuses=0x62
attiny84at1.bootloader.high_fuses=0xD7
attiny84at1.bootloader.extended_fuses=0xFF

attiny84at1.bootloader.path=empty
attiny84at1.bootloader.file=empty84at1.hex
attiny84at1.bootloader.tool=arduino:avrdude

attiny84at1.build.mcu=attiny84
attiny84at1.build.f_cpu=1000000L
attiny84at1.build.core=tiny