KM28C64A fails programming KM28C64A, Samsung

stevemas

Samsung KM28C64A fails programming - Buff value 0xC3, Chip vvalue 0xFF.

stevemas

My chip is a Samsung KM28C64A.
I tried CAT28C64A, log below:

APP Version : 11.90   Model : TL866II Plus

     Device : CAT28C64A

Pins Detected Passed!

Programming FLASH ...Succeeded. Time : 3062ms

Verifying FLASH ...

ERROR!   CODE Address:0x000000    Buf_Val:0xC3    IC_Val:0xFF

Programming  ...Failed

stevemas

dip-28APP Version : 11.81   Model : TL866II Plus

     Device : KM28C64A

Pins Detected Passed!

Data Protect Disable...OK!

Programming FLASH ...Succeeded. Time : 1656ms

Verifying FLASH ...

ERROR!   CODE Address:0x000000    Buf_Val:0xC3    IC_Val:0xFF

Programming  ...Failed

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2022-3-19 11:16

stevemas

I don't understand your answer. I tried every 28C64 in the library - none work. You list the KM28C64A but this does not work either. I have tried 4 chips. All fail. I am not sure how you can say you support the KM28C64A if it fails. Have you tested your software with this chip or do you assume it should work? Perhaps I should return this programmer as it is useless for my operation.