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Dataman UXP shows 'Program error!'

Posted: 28 May 2025 17:40
by rteali0001
Hi

I am having trouble trying to program a MMI PAL16R8B-2.
Our Dataman UXP shows 'Program error!' when trying to program the device.

The 'new' device shows all 'X's when read and no errors when blank checking.
I am assuming 'X' means 'fuse not blown', as indicated on the screen when 'Fill' option is attempted, so hopefully the 'error' isn't because I am trying to program a used device!
The manual for the UXP shows otherwise, i.e. 'X' means 'blown' (page 39).

Can anyone advise why this error comes up and offer a resolution as to how I can program said device using a Dataman UXP?
Thanks.

Re: Dataman UXP shows 'Program error!'

Posted: 30 May 2025 08:26
by Dataman (Neil Parker)
Hello rteali0001,

> The 'new' device shows all 'X's when read and no errors when blank checking.

This "new" device has likely been programmed and protected. As this is not an erasable part there is not much that you can do. Do you have any more chips that you can try or chips from a different batch?