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I used MPlab X for a new project and it worked. After I was finished I had to work on a MPlab 8 project. I first ran the MPlab driver switcher to tell it I was now using MPlab 8. I then ran MPlab 8, loaded my project and connected my REALICE programmer/debugger. I got a RIErr0035: Failed to get Device ID. It had worked before. I tried a PICKIT 3 and get the same error. I tried a different prolect and it got the same error. All of the projects and programmers worked before I used MPlab X for a new project. I have also rebooted my PC. What can I do to fix this issue so I can work on my MPlab 8 projects again?

Dennis Kerrisk
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4 Answers4

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This post is rather old but I had exactly the same problem with 2 RealIce and so was using a Pickit3 for old projects with Mplab8.

Already searched and found no solution till this:

  1. Go to Debugger (or Programmer) > Settings Configuration;
  2. select Manual Download;
  3. A file named RIFW_012890.jam (or similar) from directory Michrochip/MPLAB IDE/REAL ICE will be proposed. Select it, wait 1 minute, and miracle, it works!
António Ribeiro
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Lunasix
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Same problem here. After wasting 2 hours this error, the "Manual Download" suggestion (by Lunasix) finally worked.

My suggestion for all: Abandon MicroChip MCU and DevTools completely, and switch to something that works properly, like ST Micro.

Nisse Engström
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Garry Anderson
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dennis there are three reason which can create error that Failed to get device id

  1. PGC/PGD PIN ARE SWAPPED.
  2. VCAP/VDDCORE CAPCITOR ARE NOT PPOPER.
  3. Microcontroller got damaged.
ρяσѕρєя K
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ABHAY
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I had the same problem when I tried to program the pic 12f629 with pickit3

After several hours on the Internet and testing locally, the solution was to reduce the voltage level from Pickit USB supply (pickit 3 settings>power)!

Remember that solution in other products with pickit 2

user3486184
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alk
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