[SOLVED] verification error, atmega168pa 0x00 != 0x3f

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SOLVED: by using the ICSP built-in pins on my arduino Nano, instead of digital pins 10 11 and 12 for MOSI MISO and SCK, along with gnd and power.

Hi,
I recently bought some clone arduinos from aliexpress, and they came without a bootloader. While attempting to burn a bootloader onto them (using another arduino mega 2560 board), it gives me an error.
Logs:

avrdude: Version 6.3-20190619
         Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
         Copyright (c) 2007-2014 Joerg Wunsch

         System wide configuration file is "C:\Users\Leo_p.DESKTOP-N3A2G8O\AppData\Local\Arduino15\packages\arduino\tools\avrdude\6.3.0-arduino17/etc/avrdude.conf"

         Using Port                    : COM5
         Using Programmer              : stk500v1
         Overriding Baud Rate          : 19200
         AVR Part                      : ATmega168P
         Chip Erase delay              : 9000 us
         PAGEL                         : PD7
         BS2                           : PC2
         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    20     4    0 no        512    4      0  3600  3600 0xff 0xff
           flash         65     6   128    0 yes     16384  128    128  4500  4500 0xff 0xff
           lfuse          0     0     0    0 no          1    0      0  4500  4500 0x00 0x00
           hfuse          0     0     0    0 no          1    0      0  4500  4500 0x00 0x00
           efuse          0     0     0    0 no          1    0      0  4500  4500 0x00 0x00
           lock           0     0     0    0 no          1    0      0  4500  4500 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: 1.16
         Vtarget         : 0.0 V
         Varef           : 0.0 V
         Oscillator      : Off
         SCK period      : 0.1 us

avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.02s

avrdude: Device signature = 0x1e9406 (probably m168p)
avrdude: erasing chip
avrdude: reading input file "0x3F"
avrdude: writing lock (1 bytes):

Writing |  ***failed;  
################################################## | 100% 0.05s

avrdude: 1 bytes of lock written
avrdude: verifying lock memory against 0x3F:
avrdude: load data lock data from input file 0x3F:
avrdude: input file 0x3F contains 1 bytes
avrdude: reading on-chip lock data:

Reading | ################################################## | 100% 0.01s

avrdude: verifying ...
avrdude: verification error, first mismatch at byte 0x0000
         0x00 != 0x3f
avrdude: verification error; content mismatch

avrdude done.  Thank you.

Failed chip erase: uploading error: exit status 1

all ports are configured correctly, according to the arduino.cc guide on bootloading. Uploaded the example file in Arduino IDE to my mega2560. Any help would be greatly appreciated.

2

You have to share more information. It seems like the MCU was recognized, but is it correct? Is it ATmega168P in real on the board?
Post the avrdude command which was used. It was just before the part of log you posted.
Post the schematics or photo of your setup.
There are 2 options of Arduino ISP with Arduino Mega2560 in terms of the pins used, at least. Check the sketch and your wiring again. The error can also point to unreliable wiring.

all ports are configured correctly

How can you be so sure? Could you explain?

Uploaded the example file in Arduino IDE to my mega2560

Which one? You probably meant ArduinoISP sketch. Be consistent.

3

MCU was correct, chip confirmed as ATMEGA168P. Was using the default Arduino as ISP example sketch that comes with the IDE

Solved it by using the ICSP built-in pins on my arduino Nano, instead of digital pins 10 11 and 12 for MOSI MISO and SCK, along with gnd and power.

1 Like
4

These are exactly the same. Check the schematics. You probably have had something with the wires or maybe there is something with the pins on the board.

5

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