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EASY GUIDE REPAIR/UNLOCK ATMEGA64 ON XPROG :)
15-09-2018, 09:52 AM,
(This post was last modified: 15-09-2018, 09:56 AM by dil6222.)
Post: #1
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EASY GUIDE REPAIR/UNLOCK ATMEGA64 ON XPROG :)
Hello all this should help users who have locked atmega64 on xprog and can not read or program chip anymore. 100% way of unlocking after hours/weeks of research and testing.
This is done off board with qfp64 breakout board should be able to program onboard xprog also though. easy fix all you need is: 1. UPA PROGRAMMER 2. USBASP WITH SLOW CLOCK JUMPER ON EXTREME BURNER SOFTWARE AND 10 TO 6PIN ADAPTER 3. JUMPER WIRES FEMALE AND MALE 4.QFP64 BREAKOUT BOARD let's get started 1. First of all connect jumper wires between atmega and usbasp you will need to split vcc + into 3 wires and gnd - into 3 wires Connect vcc+ to pin 21,52 and (64 i believe optional as for avcc i test later) Connect gnd- to pin 22,53 and 63 Connect SCK to SCK Connect RESET to RESET MOSI to PE0 (common problem is people using PB2 and PB3 as there listed as mosi and MISO but they are not ) MISO to PE1 You should end up with something like this you can see I've split the and vcc 2. Next connect PIN2 from UPA DB9 SOCKET to XTAL 1. Now connect everything else usbasp and upa to usb etc Now comes the fun bit 3. Open upa go on tools then pulse generator and you will see this: Change frequency to 1000khz and click start and leave it running. 4. Open extreme burner avr and go to fuse settings tab and click on read atmega should connect as normal 5. Go on each set of fuses low, high, extended lock go on bit details and click load default value for each set Then tick all the write boxs and click write. or you can manually enter the following ( Low E1, HIGH 99, EXTENDED FD, LOCK FF then click write these are factory lockbits. see photo 6. Go on low fuses and check the following clksel settings are there Cksel0 (1) Cksel1 (0) Cksel2 (0) Cksel3 (0) Now erase chip and then disconnect upa That's it all done it should be able to program/ read as normal without upa sending signal to xtal1 on mega. Hope this helps many CT members to unlock atmega 64 so it can be reused not tossed into the bin I've spent many hours tearing out my hair to bring this guide so PLEASE leave thanks and rep if it helps Many thanks dil6222 If mine or others posts and info are helpful please give thanks/rep
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Reputation: +24 - 23Andi23 [+1] , Johnner [+2] , volavka [+2] , CHIKODIAG [+1] , McMihai [+1] , ROD-BENDERS [+1] , ivoo [+1] , cubica [+1] , Enabled [+1] , ocostel [+1] , raffy haddad [+1] , skyrimzz [+1] , evgenijj [+1] , Gmmdi911 [+1] , BS68 [+1] , Cowboy [+1] , tester2009 [+1] , al70 [+1] , rafikvw [+1] , svukov21 [+1] , cristofir [+1] , angel29 [+1] | |||
18-09-2018, 18:38 PM,
Post: #2
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RE: EASY GUIDE REPAIR/UNLOCK ATMEGA64 ON XPROG :)
Good work M8, I know you've spent months on this, most people would have given up like I did, and thumbs to share this for free...
IF YOU ARE SATISFIED THANKS AND REP WILL BE NICE |
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19-09-2018, 02:29 AM,
Post: #3
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RE: EASY GUIDE REPAIR/UNLOCK ATMEGA64 ON XPROG :)
Nice work !!! Congratulations!
Is there a way to read content from locked Atmega,,,32, 64..I need to read locked content from white goods MCUs. Thanks for nice post, regards, cuby |
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19-09-2018, 03:36 AM,
Post: #4
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RE: EASY GUIDE REPAIR/UNLOCK ATMEGA64 ON XPROG :)
An alternative, if someone found the above setup is hard in practical or hard to reach by you. Another well known fix that frequently used among those AVR enthusiasts is external clock source by an oscillator.
You could find such oscillator unit from an old board, any frequency of no more than 10 MHz should be fine but you could success with one of higher frequency as I did. Consult the datasheet or following the track of the old board for pinout. There are four pins but usually used as three, +5v, GND and output signal. Simply connect it onto Xprog PCB as per the images, which is the setup prepared on Xprog in circuit. When ready, now power up Xprog by USB then you can proceed with usual ATmega programming Note: check carefully to ensure that the part acquired is an oscillator and not just a TYPICAL X-TAL of the same shape, which will never work on this!. The two small SMD packages in the photo can be found as they are either an oscillator or an X-tal. If in doubt, searching and comparing to the datasheet can tell. |
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Reputation: +9 - 23Andi23 [+1] , dil6222 [+1] , Johnner [+2] , tiguan [+1] , ocostel [+1] , raffy haddad [+1] , evgenijj [+1] , al70 [+1] | |||
19-09-2018, 06:46 AM,
Post: #5
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RE: EASY GUIDE REPAIR/UNLOCK ATMEGA64 ON XPROG :)
(19-09-2018, 03:36 AM)zmann Wrote: An alternative, if someone found the above setup is hard in practical or hard to reach by you. Another well known fix that frequently used among those AVR enthusiasts is external clock source by an oscillator.Hello zmann thanks for adding helpful info here m8 much appreciated If mine or others posts and info are helpful please give thanks/rep
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10-09-2022, 03:16 AM,
Post: #6
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RE: EASY GUIDE REPAIR/UNLOCK ATMEGA64 ON XPROG :)
(15-09-2018, 09:52 AM)dil6222 Wrote: Hello all this should help users who have locked atmega64 on xprog and can not read or program chip anymore. 100% way of unlocking after hours/weeks of research and testing. HI.. is this applicable for my xprog-m 5.84 with the same mcu(atmega64a)?.. |
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10-09-2022, 05:56 AM,
Post: #7
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RE: EASY GUIDE REPAIR/UNLOCK ATMEGA64 ON XPROG :)
Yes it should be same
as all xprog regards Always new stuff to learn
Skype: raffy.haddad File services : multi brand ecu immo off , VW solutions : immo transfer immo off , pcr 2.1 immo , BMW EDC16 IMMO OFF , .... Yamaha smart key supply pin code from dump ( TMAX , XMAX ) Chevrolet simens sirus D3x D4x D5x delphi MR 140 IMMOOFF I DO MY BEST HERE TO HELP YOU MAKE SOME $$$ BUT ON PRIVATE IS DIFFERENT Members who not report back they're name will be black listed on my list |
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10-09-2022, 07:20 AM,
Post: #8
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RE: EASY GUIDE REPAIR/UNLOCK ATMEGA64 ON XPROG :)
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11-09-2022, 09:34 AM,
Post: #9
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RE: EASY GUIDE REPAIR/UNLOCK ATMEGA64 ON XPROG :)
(10-09-2022, 07:20 AM)relly_boy Wrote:(10-09-2022, 05:56 AM)raffy haddad Wrote: Yes it should be same relly they are the same mcu the only difference with 5.84 is firmware that is programmed into mcu is different If mine or others posts and info are helpful please give thanks/rep
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12-09-2022, 01:44 AM,
Post: #10
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RE: EASY GUIDE REPAIR/UNLOCK ATMEGA64 ON XPROG :)
(11-09-2022, 09:34 AM)dil6222 Wrote:do you have any procedure to do it?.. thanks(10-09-2022, 07:20 AM)relly_boy Wrote:(10-09-2022, 05:56 AM)raffy haddad Wrote: Yes it should be same |
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