boards_minicore.txt

##################################################################################################
## This file is created by MCUdude for use with MiniCore                                        ##
## https://github.com/MCUdude/MiniCore                                                          ##
##                                                                                              ##
## This is the file where fuse settings, clock frequencies, upload ports, bootloaders and       ##
## compiler flags are located.                                                                  ##
##                                                                                              ##
## The table below shows the available precompiled bootloaders for the corresponding clock      ##
## frequencies and baud rates. Modify the upload.speed field to change baud rate.               ##
##                                                                                              ##
## |             | 1000000 | 500000 | 250000 | 230400 | 115200 | 57600 | 38400 | 19200 | 9600 | ##
## |-------------|---------|--------|--------|--------|--------|-------|-------|-------|------| ##
## | 20 MHz      |         |  X     |  X     |        |  X     |       |       |  X    |      | ##
## | 18.4320 MHz |         |        |        |  X     |  X     |  X    |  X    |  X    |  X   | ##
## | 16 MHz      |  X      |  X     |  X     |        |  X     |       |  X    |  X    |  X   | ##
## | 14.7456 MHz |         |        |        |  X     |  X     |  X    |  X    |  X    |  X   | ## 
## | 12 MHz      |         |  X     |  X     |        |        |  X    |       |  X    |  X   | ##
## | 11.0592 MHz |         |        |        |  X     |  X     |  X    |  X    |  X    |  X   | ## 
## | 8 MHz       |  X      |  X     |  X     |        |  X     |  X    |  X    |  X    |  X   | ##
## | 7.3728 MHz  |         |        |        |  X     |  X     |  X    |  X    |  X    |  X   | ## 
## | 4 MHz       |         |  X     |  X     |        |        |       |       |  X    |  X   | ##
## | 3.6864 MHz  |         |        |        |  X     |  X     |  X    |  X    |  X    |  X   | ## 
## | 2 MHz       |         |        |  X     |        |        |       |       |  X    |  X   | ##
## | 1.8432 MHz  |         |        |        |  X     |  X     |  X    |  X    |  X    |  X   | ## 
## | 1 MHz       |         |        |        |        |        |       |       |       |  X   | ## 
##                                                                                              ##
##################################################################################################

# Menu options
menu.clock=Clock
menu.BOD=BOD
menu.LTO=Compiler LTO 
menu.variant=Variant
menu.bootloader=Bootloader


#############################
#### ATmega328/A/P/PA/PB ####
#############################

# General
328.name=ATmega328
328.upload.tool=avrdude
328.upload.maximum_data_size=2048
328.bootloader.tool=avrdude
328.bootloader.unlock_bits=0x3f
328.bootloader.lock_bits=0x0f
328.build.core=MCUdude_corefiles
328.build.board=AVR_ATmega328

# Upload port select
328.menu.bootloader.uart0=Yes (UART0)
328.menu.bootloader.uart0.upload.maximum_size=32256
328.menu.bootloader.uart0.upload.protocol=arduino
328.menu.bootloader.uart0.upload.port=UART0
328.menu.bootloader.uart0.bootloader.high_fuses=0xd6
328.menu.bootloader.uart0.bootloader.file=optiboot_flash/bootloaders/{build.mcu}/{build.f_cpu}/optiboot_flash_{build.mcu}_{upload.port}_{upload.speed}_{build.f_cpu}.hex

328.menu.bootloader.uart1=Yes (UART1 328PB only)
328.menu.bootloader.uart1.upload.maximum_size=32256
328.menu.bootloader.uart1.upload.protocol=arduino
328.menu.bootloader.uart1.upload.port=UART1
328.menu.bootloader.uart1.bootloader.high_fuses=0xd6
328.menu.bootloader.uart1.bootloader.file=optiboot_flash/bootloaders/{build.mcu}/{build.f_cpu}/optiboot_flash_{build.mcu}_{upload.port}_{upload.speed}_{build.f_cpu}.hex

328.menu.bootloader.no_bootloader=No bootloader
328.menu.bootloader.no_bootloader.upload.maximum_size=32768
328.menu.bootloader.no_bootloader.bootloader.high_fuses=0xd7
328.menu.bootloader.no_bootloader.bootloader.file=empty/empty.hex

# Variants
328.menu.variant.modelP=328P / 328PA
328.menu.variant.modelP.bootloader.cksel_bits=0111
328.menu.variant.modelP.bootloader.cfd_bit=1
328.menu.variant.modelP.build.variant=standard
328.menu.variant.modelP.build.mcu=atmega328p

328.menu.variant.modelNonP=328 / 328A
328.menu.variant.modelNonP.bootloader.cksel_bits=0111
328.menu.variant.modelNonP.bootloader.cfd_bit=1
328.menu.variant.modelNonP.build.variant=standard
328.menu.variant.modelNonP.build.mcu=atmega328

328.menu.variant.modelPB=328PB
328.menu.variant.modelPB.bootloader.cksel_bits=1111
328.menu.variant.modelPB.bootloader.cfd_bit=0
328.menu.variant.modelPB.build.variant=pb-variant
328.menu.variant.modelPB.build.mcu=atmega328pb

# Brown out detection
328.menu.BOD.2v7=BOD 2.7V
328.menu.BOD.2v7.bootloader.extended_fuses=0b1111{bootloader.cfd_bit}101
328.menu.BOD.4v3=BOD 4.3V
328.menu.BOD.4v3.bootloader.extended_fuses=0b1111{bootloader.cfd_bit}100
328.menu.BOD.1v8=BOD 1.8V
328.menu.BOD.1v8.bootloader.extended_fuses=0b1111{bootloader.cfd_bit}110
328.menu.BOD.disabled=BOD  disabled
328.menu.BOD.disabled.bootloader.extended_fuses=0b1111{bootloader.cfd_bit}111

# Compiler link time optimization
328.menu.LTO.Os=LTO disabled
328.menu.LTO.Os.compiler.c.extra_flags=
328.menu.LTO.Os.compiler.c.elf.extra_flags=
328.menu.LTO.Os.compiler.cpp.extra_flags=
328.menu.LTO.Os.ltoarcmd=avr-ar

328.menu.LTO.Os_flto=LTO enabled
328.menu.LTO.Os_flto.compiler.c.extra_flags=-Wextra -flto -g
328.menu.LTO.Os_flto.compiler.c.elf.extra_flags=-w -flto -g 
328.menu.LTO.Os_flto.compiler.cpp.extra_flags=-Wextra -flto -g
328.menu.LTO.Os_flto.ltoarcmd=avr-gcc-ar

# Clock frequencies
328.menu.clock.16MHz_external=16 MHz external
328.menu.clock.16MHz_external.upload.speed=115200
328.menu.clock.16MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
328.menu.clock.16MHz_external.build.f_cpu=16000000L

328.menu.clock.20MHz_external=20 MHz external
328.menu.clock.20MHz_external.upload.speed=115200
328.menu.clock.20MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
328.menu.clock.20MHz_external.build.f_cpu=20000000L

328.menu.clock.18_432MHz_external=18.432 MHz external
328.menu.clock.18_432MHz_external.upload.speed=115200
328.menu.clock.18_432MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
328.menu.clock.18_432MHz_external.build.f_cpu=18432000L

328.menu.clock.12MHz_external=12 MHz external
328.menu.clock.12MHz_external.upload.speed=57600
328.menu.clock.12MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
328.menu.clock.12MHz_external.build.f_cpu=12000000L

328.menu.clock.8MHz_external=8 MHz external
328.menu.clock.8MHz_external.upload.speed=38400
328.menu.clock.8MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
328.menu.clock.8MHz_external.build.f_cpu=8000000L

328.menu.clock.8MHz_internal=8 MHz internal
328.menu.clock.8MHz_internal.upload.speed=38400
328.menu.clock.8MHz_internal.bootloader.low_fuses=0xe2
328.menu.clock.8MHz_internal.build.f_cpu=8000000L

328.menu.clock.1MHz_internal=1 MHz internal
328.menu.clock.1MHz_internal.upload.speed=9600
328.menu.clock.1MHz_internal.bootloader.low_fuses=0x62
328.menu.clock.1MHz_internal.build.f_cpu=1000000L


#############################
#### ATmega168/A/P/PA/PB ####
#############################

# General
168.name=ATmega168
168.upload.tool=avrdude
168.upload.maximum_size=15872
168.upload.maximum_data_size=1024
168.bootloader.tool=avrdude
168.bootloader.unlock_bits=0x3f
168.bootloader.lock_bits=0x0f
168.build.core=MCUdude_corefiles
168.build.board=AVR_ATmega168

# Upload port select
168.menu.bootloader.uart0=Yes (UART0)
168.menu.bootloader.uart0.upload.maximum_size=15872
168.menu.bootloader.uart0.upload.protocol=arduino
168.menu.bootloader.uart0.upload.port=UART0
168.menu.bootloader.uart0.bootloader.extended_fuses=0xfc
168.menu.bootloader.uart0.bootloader.file=optiboot_flash/bootloaders/{build.mcu}/{build.f_cpu}/optiboot_flash_{build.mcu}_{upload.port}_{upload.speed}_{build.f_cpu}.hex

168.menu.bootloader.no_bootloader=No bootloader
168.menu.bootloader.no_bootloader.upload.maximum_size=16384
168.menu.bootloader.no_bootloader.bootloader.extended_fuses=0xfd
168.menu.bootloader.no_bootloader.bootloader.file=empty/empty.hex

# Variants
168.menu.variant.modelP=168P / 168PA
168.menu.variant.modelP.bootloader.cksel_bits=0111
168.menu.variant.modelP.build.variant=standard
168.menu.variant.modelP.build.mcu=atmega168p

168.menu.variant.modelNonP=168 / 168A
168.menu.variant.modelNonP.bootloader.cksel_bits=0111
168.menu.variant.modelNonP.build.variant=standard
168.menu.variant.modelNonP.build.mcu=atmega168

168.menu.variant.modelPB=168PB
168.menu.variant.modelPB.bootloader.cksel_bits=1111
168.menu.variant.modelPB.build.variant=pb-variant
168.menu.variant.modelPB.build.mcu=atmega168pb

# Brown out detection
168.menu.BOD.2v7=BOD 2.7V
168.menu.BOD.2v7.bootloader.high_fuses=0xd5
168.menu.BOD.4v3=BOD 4.3V
168.menu.BOD.4v3.bootloader.high_fuses=0xd4
168.menu.BOD.1v8=BOD 1.8V
168.menu.BOD.1v8.bootloader.high_fuses=0xd6
168.menu.BOD.disabled=BOD disabled
168.menu.BOD.disabled.bootloader.high_fuses=0xd7

# Compiler link time optimization
168.menu.LTO.Os=LTO Disabled
168.menu.LTO.Os.compiler.c.extra_flags=
168.menu.LTO.Os.compiler.c.elf.extra_flags=
168.menu.LTO.Os.compiler.cpp.extra_flags=
168.menu.LTO.Os.ltoarcmd=avr-ar

168.menu.LTO.Os_flto=LTO Enabled
168.menu.LTO.Os_flto.compiler.c.extra_flags=-Wextra -flto -g
168.menu.LTO.Os_flto.compiler.c.elf.extra_flags=-w -flto -g
168.menu.LTO.Os_flto.compiler.cpp.extra_flags=-Wextra -flto -g
168.menu.LTO.Os_flto.ltoarcmd=avr-gcc-ar

# Clock frequencies
168.menu.clock.16MHz_external=16 MHz external
168.menu.clock.16MHz_external.upload.speed=115200
168.menu.clock.16MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
168.menu.clock.16MHz_external.build.f_cpu=16000000L

168.menu.clock.20MHz_external=20 MHz external
168.menu.clock.20MHz_external.upload.speed=115200
168.menu.clock.20MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
168.menu.clock.20MHz_external.build.f_cpu=20000000L

168.menu.clock.18_432MHz_external=18.432 MHz external
168.menu.clock.18_432MHz_external.upload.speed=115200
168.menu.clock.18_432MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
168.menu.clock.18_432MHz_external.build.f_cpu=18432000L

168.menu.clock.12MHz_external=12 MHz external
168.menu.clock.12MHz_external.upload.speed=57600
168.menu.clock.12MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
168.menu.clock.12MHz_external.build.f_cpu=12000000L

168.menu.clock.8MHz_external=8 MHz external
168.menu.clock.8MHz_external.upload.speed=38400
168.menu.clock.8MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
168.menu.clock.8MHz_external.build.f_cpu=8000000L

168.menu.clock.8MHz_internal=8 MHz internal
168.menu.clock.8MHz_internal.upload.speed=38400
168.menu.clock.8MHz_internal.bootloader.low_fuses=0xe2
168.menu.clock.8MHz_internal.build.f_cpu=8000000L

168.menu.clock.1MHz_internal=1 MHz internal
168.menu.clock.1MHz_internal.upload.speed=9600
168.menu.clock.1MHz_internal.bootloader.low_fuses=0x62
168.menu.clock.1MHz_internal.build.f_cpu=1000000L


############################
#### ATmega88/A/P/PA/PB ####
############################

# General
88.name=ATmega88
88.upload.tool=avrdude
88.upload.maximum_data_size=1024
88.bootloader.tool=avrdude
88.bootloader.unlock_bits=0x3f
88.bootloader.lock_bits=0x0f
88.build.core=MCUdude_corefiles
88.build.board=AVR_ATmega88

# Upload port select
88.menu.bootloader.uart0=Yes (UART0)
88.menu.bootloader.uart0.upload.maximum_size=7680
88.menu.bootloader.uart0.upload.protocol=arduino
88.menu.bootloader.uart0.upload.port=UART0
88.menu.bootloader.uart0.bootloader.extended_fuses=0xfc
88.menu.bootloader.uart0.bootloader.file=optiboot_flash/bootloaders/{build.mcu}/{build.f_cpu}/optiboot_flash_{build.mcu}_{upload.port}_{upload.speed}_{build.f_cpu}.hex

88.menu.bootloader.no_bootloader=No bootloader
88.menu.bootloader.no_bootloader.upload.maximum_size=8192
88.menu.bootloader.no_bootloader.bootloader.extended_fuses=0xfd
88.menu.bootloader.no_bootloader.bootloader.file=empty/empty.hex

# Variants
88.menu.variant.modelP=88P / 88PA
88.menu.variant.modelP.bootloader.cksel_bits=0111
88.menu.variant.modelP.build.variant=standard
88.menu.variant.modelP.build.mcu=atmega88p

88.menu.variant.modelNonP=88 / 88A
88.menu.variant.modelNonP.bootloader.cksel_bits=0111
88.menu.variant.modelNonP.build.variant=standard
88.menu.variant.modelNonP.build.mcu=atmega88

88.menu.variant.modelPB=88PB
88.menu.variant.modelPB.bootloader.cksel_bits=1111
88.menu.variant.modelPB.build.variant=pb-variant
88.menu.variant.modelPB.build.mcu=atmega88pb

# Brown out detection
88.menu.BOD.2v7=BOD 2.7V
88.menu.BOD.2v7.bootloader.high_fuses=0xd5
88.menu.BOD.4v3=BOD 4.3V
88.menu.BOD.4v3.bootloader.high_fuses=0xd4
88.menu.BOD.1v8=BOD 1.8V
88.menu.BOD.1v8.bootloader.high_fuses=0xd6
88.menu.BOD.disabled=BOD Disabled
88.menu.BOD.disabled.bootloader.high_fuses=0xd7

# Compiler link time optimization
88.menu.LTO.Os=LTO Disabled
88.menu.LTO.Os.compiler.c.extra_flags=
88.menu.LTO.Os.compiler.c.elf.extra_flags=
88.menu.LTO.Os.compiler.cpp.extra_flags=
88.menu.LTO.Os.ltoarcmd=avr-ar

88.menu.LTO.Os_flto=LTO Enabled
88.menu.LTO.Os_flto.compiler.c.extra_flags=-Wextra -flto -g
88.menu.LTO.Os_flto.compiler.c.elf.extra_flags=-w -flto -g
88.menu.LTO.Os_flto.compiler.cpp.extra_flags=-Wextra -flto -g
88.menu.LTO.Os_flto.ltoarcmd=avr-gcc-ar

# Clock frequencies
88.menu.clock.16MHz_external=16 MHz external
88.menu.clock.16MHz_external.upload.speed=115200
88.menu.clock.16MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
88.menu.clock.16MHz_external.build.f_cpu=16000000L

88.menu.clock.20MHz_external=20 MHz external
88.menu.clock.20MHz_external.upload.speed=115200
88.menu.clock.20MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
88.menu.clock.20MHz_external.build.f_cpu=20000000L

88.menu.clock.18_432MHz_external=18.432 MHz external
88.menu.clock.18_432MHz_external.upload.speed=115200
88.menu.clock.18_432MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
88.menu.clock.18_432MHz_external.build.f_cpu=18432000L

88.menu.clock.12MHz_external=12 MHz external
88.menu.clock.12MHz_external.upload.speed=57600
88.menu.clock.12MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
88.menu.clock.12MHz_external.build.f_cpu=12000000L

88.menu.clock.8MHz_external=8 MHz external
88.menu.clock.8MHz_external.upload.speed=38400
88.menu.clock.8MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
88.menu.clock.8MHz_external.build.f_cpu=8000000L

88.menu.clock.8MHz_internal=8 MHz internal
88.menu.clock.8MHz_internal.upload.speed=38400
88.menu.clock.8MHz_internal.bootloader.low_fuses=0xe2
88.menu.clock.8MHz_internal.build.f_cpu=8000000L

88.menu.clock.1MHz_internal=1 MHz internal
88.menu.clock.1MHz_internal.upload.speed=9600
88.menu.clock.1MHz_internal.bootloader.low_fuses=0x62
88.menu.clock.1MHz_internal.build.f_cpu=1000000L


############################
#### ATmega48/A/P/PA/PB ####
############################

# General
48.name=ATmega48
48.upload.tool=avrdude
48.upload.using=avrdude
48.upload.maximum_size=4096
48.upload.maximum_data_size=512
48.bootloader.tool=avrdude
48.bootloader.unlock_bits=0x3f
48.bootloader.lock_bits=0x3f
48.bootloader.extended_fuses=0xff
48.build.core=MCUdude_corefiles
48.build.board=AVR_ATmega48

# Bootloader select
48.menu.bootloader.no_bootloader=No bootloader
48.menu.bootloader.no_bootloader.upload.maximum_size=4096
48.menu.bootloader.no_bootloader.bootloader.file=empty/empty.hex

# Variants
48.menu.variant.modelP=48P / 48PA
48.menu.variant.modelP.bootloader.cksel_bits=0111
48.menu.variant.modelP.build.variant=standard
48.menu.variant.modelP.build.mcu=atmega48p

48.menu.variant.modelNonP=48 / 48A
48.menu.variant.modelNonP.bootloader.cksel_bits=0111
48.menu.variant.modelNonP.build.variant=standard
48.menu.variant.modelNonP.build.mcu=atmega48

48.menu.variant.modelPB=48PB
48.menu.variant.modelPB.bootloader.cksel_bits=1111
48.menu.variant.modelPB.build.variant=pb-variant
48.menu.variant.modelPB.build.mcu=atmega48pb

# Brown out detection
48.menu.BOD.2v7=BOD 2.7V
48.menu.BOD.2v7.bootloader.high_fuses=0xd5
48.menu.BOD.4v3=BOD 4.3V
48.menu.BOD.4v3.bootloader.high_fuses=0xd4
48.menu.BOD.1v8=BOD 1.8V
48.menu.BOD.1v8.bootloader.high_fuses=0xd6
48.menu.BOD.disabled=BOD disabled
48.menu.BOD.disabled.bootloader.high_fuses=0xd7

# Compiler link time optimization
48.menu.LTO.Os=LTO disabled
48.menu.LTO.Os.compiler.c.extra_flags=
48.menu.LTO.Os.compiler.c.elf.extra_flags=
48.menu.LTO.Os.compiler.cpp.extra_flags=
48.menu.LTO.Os.ltoarcmd=avr-ar

48.menu.LTO.Os_flto=BOD enabled
48.menu.LTO.Os_flto.compiler.c.extra_flags=-Wextra -flto -g
48.menu.LTO.Os_flto.compiler.c.elf.extra_flags=-w -flto -g
48.menu.LTO.Os_flto.compiler.cpp.extra_flags=-Wextra -flto -g
48.menu.LTO.Os_flto.ltoarcmd=avr-gcc-ar

# Clock frequencies
48.menu.clock.16MHz_external=16 MHz external
48.menu.clock.16MHz_external.upload.speed=115200
48.menu.clock.16MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
48.menu.clock.16MHz_external.build.f_cpu=16000000L

48.menu.clock.20MHz_external=20 MHz external
48.menu.clock.20MHz_external.upload.speed=115200
48.menu.clock.20MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
48.menu.clock.20MHz_external.build.f_cpu=20000000L

48.menu.clock.18_432MHz_external=18.432 MHz external
48.menu.clock.18_432MHz_external.upload.speed=115200
48.menu.clock.18_432MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
48.menu.clock.18_432MHz_external.build.f_cpu=18432000L

48.menu.clock.12MHz_external=12 MHz external
48.menu.clock.12MHz_external.upload.speed=57600
48.menu.clock.12MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
48.menu.clock.12MHz_external.build.f_cpu=12000000L

48.menu.clock.8MHz_external=8 MHz external
48.menu.clock.8MHz_external.upload.speed=38400
48.menu.clock.8MHz_external.bootloader.low_fuses=0b1111{bootloader.cksel_bits}
48.menu.clock.8MHz_external.build.f_cpu=8000000L

48.menu.clock.8MHz_internal=8 MHz internal
48.menu.clock.8MHz_internal.upload.speed=38400
48.menu.clock.8MHz_internal.bootloader.low_fuses=0xe2
48.menu.clock.8MHz_internal.build.f_cpu=8000000L

48.menu.clock.1MHz_internal=1 MHz internal
48.menu.clock.1MHz_internal.upload.speed=9600
48.menu.clock.1MHz_internal.bootloader.low_fuses=0x62
48.menu.clock.1MHz_internal.build.f_cpu=1000000L


###################
#### ATmega8/A ####
###################

# General
8.name=ATmega8
8.upload.tool=avrdude
8.upload.maximum_data_size=1024
8.bootloader.tool=avrdude
8.bootloader.unlock_bits=0x3f
8.bootloader.lock_bits=0x0f
8.bootloader.low_fuses=0b{bootloader.bod_bits}{bootloader.sut_cksel_bits}
8.bootloader.high_fuses=0b110{bootloader.ckopt_bit}010{bootloader.bootrst_bit}
8.build.core=MCUdude_corefiles
8.build.variant=standard
8.build.board=AVR_ATmega8
8.build.mcu=atmega8

# Upload port select
8.menu.bootloader.uart0=Yes (UART0)
8.menu.bootloader.uart0.upload.maximum_size=7680
8.menu.bootloader.uart0.upload.protocol=arduino
8.menu.bootloader.uart0.upload.port=UART0
8.menu.bootloader.uart0.bootloader.bootrst_bit=0
8.menu.bootloader.uart0.bootloader.file=optiboot_flash/bootloaders/{build.mcu}/{build.f_cpu}/optiboot_flash_{build.mcu}_{upload.port}_{upload.speed}_{build.f_cpu}.hex

8.menu.bootloader.no_bootloader=No bootloader
8.menu.bootloader.no_bootloader.upload.maximum_size=8192
8.menu.bootloader.no_bootloader.bootloader.bootrst_bit=1
8.menu.bootloader.no_bootloader.bootloader.file=empty/empty.hex

# Brown out detection - This is the first part of the low fuse bit concatenation
8.menu.BOD.2v7=BOD 2.7V
8.menu.BOD.2v7.bootloader.bod_bits=10
8.menu.BOD.4v0=BOD 4.0V
8.menu.BOD.4v0.bootloader.bod_bits=00
8.menu.BOD.disabled=BOD disabled
8.menu.BOD.disabled.bootloader.bod_bits=11

# Compiler link time optimization
8.menu.LTO.Os=LTO disabled
8.menu.LTO.Os.compiler.c.extra_flags=
8.menu.LTO.Os.compiler.c.elf.extra_flags=
8.menu.LTO.Os.compiler.cpp.extra_flags=
8.menu.LTO.Os.ltoarcmd=avr-ar

8.menu.LTO.Os_flto=LTO enabled
8.menu.LTO.Os_flto.compiler.c.extra_flags=-Wextra -flto -g
8.menu.LTO.Os_flto.compiler.c.elf.extra_flags=-w -flto -g
8.menu.LTO.Os_flto.compiler.cpp.extra_flags=-Wextra -flto -g
8.menu.LTO.Os_flto.ltoarcmd=avr-gcc-ar

# Clock frequencies - This is the second part of the low fuse bit concatenation
8.menu.clock.16MHz_external=16 MHz external
8.menu.clock.16MHz_external.upload.speed=115200
8.menu.clock.16MHz_external.bootloader.sut_cksel_bits=111111
8.menu.clock.16MHz_external.bootloader.ckopt_bit=0
8.menu.clock.16MHz_external.build.f_cpu=16000000L

8.menu.clock.20MHz_external=20 MHz external
8.menu.clock.20MHz_external.upload.speed=115200
8.menu.clock.20MHz_external.bootloader.sut_cksel_bits=111111
8.menu.clock.20MHz_external.bootloader.ckopt_bit=0
8.menu.clock.20MHz_external.build.f_cpu=20000000L

8.menu.clock.18_432MHz_external=18.432 MHz external
8.menu.clock.18_432MHz_external.upload.speed=115200
8.menu.clock.18_432MHz_external.bootloader.sut_cksel_bits=111111
8.menu.clock.18_432MHz_external.bootloader.ckopt_bit=0
8.menu.clock.18_432MHz_external.build.f_cpu=18432000L

8.menu.clock.12MHz_external=12 MHz external
8.menu.clock.12MHz_external.upload.speed=57600
8.menu.clock.12MHz_external.bootloader.sut_cksel_bits=111111
8.menu.clock.12MHz_external.bootloader.ckopt_bit=0
8.menu.clock.12MHz_external.build.f_cpu=12000000L

8.menu.clock.8MHz_external=8 MHz external
8.menu.clock.8MHz_external.upload.speed=38400
8.menu.clock.8MHz_external.bootloader.sut_cksel_bits=111111
8.menu.clock.8MHz_external.bootloader.ckopt_bit=0
8.menu.clock.8MHz_external.build.f_cpu=8000000L

8.menu.clock.8MHz_internal=8 MHz internal
8.menu.clock.8MHz_internal.upload.speed=38400
8.menu.clock.8MHz_internal.bootloader.sut_cksel_bits=100100
8.menu.clock.8MHz_internal.bootloader.ckopt_bit=1
8.menu.clock.8MHz_internal.build.f_cpu=8000000L

8.menu.clock.1MHz_internal=1 MHz internal
8.menu.clock.1MHz_internal.upload.speed=9600
8.menu.clock.1MHz_internal.bootloader.sut_cksel_bits=100001
8.menu.clock.1MHz_internal.bootloader.ckopt_bit=1
8.menu.clock.1MHz_internal.build.f_cpu=1000000L