mh
/
qmk_firmware
mirror of https://github.com/qmk/qmk_firmware/

Atmega32u4 Fuse/Lock Bits for Planck/Atomic/Preonic=========================
	Low Fuse: 0x5E	High Fuse: 0x99	Extended Fuse: 0xF3	Lock Byte: 0xFF

ATMega168P Fuse/Lock Bits=========================This configuration is from usbasploader's Makefile.
    HFUSE   0xD6    LFUSE   0xDF    EFUSE   0x00    LOCK    0x3F(intact)
#---------------------------------------------------------------------# ATMega168P#---------------------------------------------------------------------# Fuse extended byte:# 0x00 = 0 0 0 0   0 0 0 0 <-- BOOTRST (boot reset vector at 0x1800)#                    \+/#                     +------- BOOTSZ (00 = 2k bytes)# Fuse high byte:# 0xd6 = 1 1 0 1   0 1 1 0#        ^ ^ ^ ^   ^ \-+-/#        | | | |   |   +------ BODLEVEL 0..2 (110 = 1.8 V)#        | | | |   + --------- EESAVE (preserve EEPROM over chip erase)#        | | | +-------------- WDTON (if 0: watchdog always on)#        | | +---------------- SPIEN (allow serial programming)#        | +------------------ DWEN (debug wire enable)#        +-------------------- RSTDISBL (reset pin is enabled)# Fuse low byte:# 0xdf = 1 1 0 1   1 1 1 1#        ^ ^ \ /   \--+--/#        | |  |       +------- CKSEL 3..0 (external >8M crystal)#        | |  +--------------- SUT 1..0 (crystal osc, BOD enabled)#        | +------------------ CKOUT (if 0: Clock output enabled)#        +-------------------- CKDIV8 (if 0: divide by 8)

# Lock Bits# 0x3f = - - 1 1   1 1 1 1#            \ /   \-/ \-/#             |     |   +----- LB 2..1 (No memory lock features enabled)#             |     +--------- BLB0 2..1 (No restrictions for SPM or LPM accessing the Application section)#             +--------------- BLB1 2..1 (No restrictions for SPM or LPM accessing the Boot Loader section)