I am trying to burn MegaCore bootloaders to it, I have setup my custom PCB with Atmega2560V-8AU and 8Mhz Crystal + Load Caps all assembled on using PCBA process. I am trying to burn MegaCore bootlaoders to it, I am using Arduino UNO as ISP Programmer. My connections are all correct, It shows different Device Signatures (see below) whenever I hit Burn Bootloaders....
0x0000ff 0x00003f 0x0000ff 0x00ff00 0x001000 0xff0000 0xfc0000 0x00fe00
This is complete output with different Device Signatures
Arduino: 1.8.3 (Windows 10), Board: "ATmega2560, Arduino MEGA pinout, 2.7v, Disabled (default), 8 MHz external"
C:\Program Files (x86)\Arduino\hardware\tools\avr/bin/avrdude -CC:\Users\mudas\OneDrive\Documents\Arduino\hardware\MegaCore-avr-100-pin\avr/avrdude.conf -v -patmega2560 -cstk500v1 -PCOM4 -b19200 -e -Ulock:w:0x3f:m -Uefuse:w:0xfd:m -Uhfuse:w:0xd6:m -Ulfuse:w:0xf7:m
avrdude: Version 6.3, compiled on Jan 17 2017 at 12:00:53 Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/ Copyright (c) 2007-2014 Joerg Wunsch
System wide configuration file is "C:\Users\mudas\OneDrive\Documents\Arduino\hardware\MegaCore-avr-100-pin\avr/avrdude.conf" Using Port : COM4 Using Programmer : stk500v1 Overriding Baud Rate : 19200 AVR Part : ATmega2560 Chip Erase delay : 9000 us PAGEL : PD7 BS2 : PA0 RESET disposition : dedicated RETRY pulse : SCK serial program mode : yes parallel program mode : yes Timeout : 200 StabDelay : 100 CmdexeDelay : 25 SyncLoops : 32 ByteDelay : 0 PollIndex : 3 PollValue : 0x53 Memory Detail : Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- eeprom 65 10 8 0 no 4096 8 0 9000 9000 0x00 0x00 flash 65 10 256 0 yes 262144 256 1024 4500 4500 0x00 0x00 lfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 hfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 efuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 lock 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 calibration 0 0 0 0 no 1 0 0 0 0 0x00 0x00 signature 0 0 0 0 no 3 0 0 0 0 0x00 0x00 Programmer Type : STK500 Description : Atmel STK500 Version 1.x firmware Hardware Version: 2 Firmware Version: 1.18 Topcard : Unknown Vtarget : 0.0 V Varef : 0.0 V Oscillator : Off SCK period : 0.1 usavrdude: AVR device initialized and ready to accept instructions
Error while burning bootloader. Reading |
############################################ | 100% 0.02savrdude: Device signature = 0x00fe00 avrdude: Expected signature for ATmega2560 is 1E 98 01 Double check chip, or use -F to override this check.
avrdude done. Thank you.
This report would have more information with "Show verbose output during compilation" option enabled in File -> Preferences. What should be the problem.??? How to solve this.?
-FAVRDUDE option to override the signature check but it's not clear what the change was that you made to get from the inconsistent device signature readings to the consistent readings. I believe it was a hardware change?