$ ./avrdude -cxplainedmini_updi -patmega4809 -vvvv &> avrdude7_jtag3_retcode.txt executable_abspath = /Users/hans/Downloads/avrdude-joerg/src/avrdude executable_abspath_len = 47 executable_dirpath = /Users/hans/Downloads/avrdude-joerg/src executable_dirpath_len = 39 sys_config = /Users/hans/Downloads/avrdude-joerg/src/avrdude.conf sys_config_found = true avrdude: Version 7.0-20220508 Copyright (c) Brian Dean, http://www.bdmicro.com/ Copyright (c) Joerg Wunsch System wide configuration file is "/Users/hans/Downloads/avrdude-joerg/src/avrdude.conf" User configuration file is "/Users/hans/.avrduderc" User configuration file does not exist or is not a regular file, skipping Using Port : usb Using Programmer : xplainedmini_updi avrdude: jtag3_open_updi() avrdude: usbhid_open(): Probing for max. packet size avrdude: usbhid_open(): Setting max_xfer from DAP_Info response to 64 avrdude: Found CMSIS-DAP compliant device, using EDBG protocol avrdude: jtag3_getsync() avrdude: Sending sign-on command: avrdude: jtag3_edbg_send(): sending 3 bytes avrdude: jtag3_edbg_recv(): avrdude: jtag3_recv(): Got message seqno 0 (command_sequence == 0) Raw message: 01 80 00 [general] OK AVR Part : ATmega4809 RESET disposition : dedicated RETRY pulse : SCK Serial program mode : yes Parallel program mode : yes Memory Detail : Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- signature 0 0 0 0 no 3 1 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- prodsig 0 0 0 0 no 61 61 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- sernum 0 0 0 0 no 10 1 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- osccal16 0 0 0 0 no 2 1 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- osccal20 0 0 0 0 no 2 1 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- tempsense 0 0 0 0 no 2 1 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- osc16err 0 0 0 0 no 2 1 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- osc20err 0 0 0 0 no 2 1 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- fuses 0 0 0 0 no 9 10 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- fuse0 wdtcfg 0 0 0 0 no 1 1 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- fuse1 bodcfg 0 0 0 0 no 1 1 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- fuse2 osccfg 0 0 0 0 no 1 1 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- fuse4 tcd0cfg 0 0 0 0 no 1 1 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- fuse5 syscfg0 0 0 0 0 no 1 1 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- fuse6 syscfg1 0 0 0 0 no 1 1 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- fuse7 append 0 0 0 0 no 1 1 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- fuse8 bootend 0 0 0 0 no 1 1 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- lock 0 0 0 0 no 1 1 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- data 0 0 0 0 no 0 1 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- userrow usersig 0 0 0 0 no 64 64 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- flash 0 0 0 0 no 49152 128 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Alias Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- -------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- eeprom 0 0 0 0 no 256 64 0 0 0 0x00 0x00 Programmer Type : JTAGICE3_UPDI Description : Atmel AVR XplainedMini in UPDI mode avrdude: jtag3_getparm() avrdude: Sending get parameter (scope 0x01, section 0, parm 0) command: avrdude: jtag3_edbg_send(): sending 6 bytes avrdude: jtag3_edbg_recv(): avrdude: jtag3_recv(): Got message seqno 1 (command_sequence == 1) Raw message: 01 84 01 00 01 13 39 00 00 [general] Data returned: 0x01 0x00 0x01 0x13 0x39 0x00 0x00 avrdude: jtag3_getparm(): bad response to get parameter (scope 0x01, section 0, parm 0) avrdude: jtag3_getparm() avrdude: Sending get parameter (scope 0x01, section 0, parm 1) command: avrdude: jtag3_edbg_send(): sending 6 bytes avrdude: jtag3_edbg_recv(): avrdude: jtag3_recv(): Got message seqno 2 (command_sequence == 2) Raw message: 01 84 01 01 13 00 [general] Data returned: 0x01 0x01 0x13 0x00 avrdude: jtag3_getparm(): bad response to get parameter (scope 0x01, section 0, parm 1) avrdude: initialization failed, rc=-1 Double check connections and try again, or use -F to override this check. avrdude: jtag3_close() avrdude: Sending AVR sign-off command: avrdude: jtag3_edbg_send(): sending 3 bytes avrdude: jtag3_edbg_recv(): avrdude: jtag3_recv(): Got message seqno 3 (command_sequence == 3) Raw message: 12 80 00 [AVR] OK avrdude: Sending sign-off command: avrdude: jtag3_edbg_send(): sending 4 bytes avrdude: jtag3_edbg_recv(): avrdude: jtag3_recv(): Got message seqno 4 (command_sequence == 4) Raw message: 01 80 00 [general] OK avrdude done. Thank you.