I'm trying to flash ATSAME51N19 chip using Atmel-ICE, as it was having old bootloader and firmware. But getting error
Verifying Flash...Failed! address=0x0000 expected=0x80 actual=0xff
And The fuses are
AC_BIAS0 = 0x01 ADC0_BIASCOMP = 0x07 ADC0_BIASREFBUF = 0x07 ADC0_BIASR2R = 0x07 ADC1_BIASCOMP = 0x07 ADC1_BIASREFBUF = 0x07 ADC1_BIASR2R = 0x07 USB_TRANSN = 0x09 USB_TRANSP = 0x19 USB_TRIM = 0x06 ROOM_TEMP_VAL_INT = 0x1D ROOM_TEMP_VAL_DEC = 0x08 HOT_TEMP_VAL_INT = 0x69 HOT_TEMP_VAL_DEC = 0x00 ROOM_INT1V_VAL = 0x01 HOT_INT1V_VAL = 0x02 ROOM_ADC_VAL_PTAT = 0xAD8 HOT_ADC_VAL_PTAT = 0xD5D ROOM_ADC_VAL_CTAT = 0xB71 HOT_ADC_VAL_CTAT = 0x954 BOD33_DIS = [X] BOD33USERLEVEL = 0x1C BOD33_ACTION = RESET BOD33_HYST = 0x02 NVMCTRL_BOOTPROT = 64 NVMCTRL_SEESBLK = 0x01 NVMCTRL_SEEPSZ = 0x03 RAMECC_ECCDIS = [X] WDT_ENABLE = [ ] WDT_ALWAYSON = [ ] WDT_PER = CYC16384 WDT_WINDOW = CYC16384 WDT_EWOFFSET = CYC16384 WDT_WEN = [ ] NVMCTRL_REGION_LOCKS = 0xFFFFFFFF SW0_WORD_0 = 0x1FF07FD (valid) SW0_WORD_1 = 0x1B29 (valid) TEMP_LOG_WORD_0 = 0x106981D (valid) TEMP_LOG_WORD_1 = 0xD5DAD802 (valid) TEMP_LOG_WORD_2 = 0xFF954B71 (valid) USER_WORD_0 = 0xDE9A9239 (valid) USER_WORD_1 = 0xAEECFFB1 (valid) USER_WORD_2 = 0xFFFFFFFF (valid)
I think the issue is with the fuses how do I reset all the fuses and do programming? How can I solve this flashing issue.
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