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Unable to program CY8C3866AXI-040 ES1 | Cypress Semiconductor

Unable to program CY8C3866AXI-040 ES1

Summary: 1 Reply, Latest post by yfs on 28 Apr 2011 11:02 AM PDT
Verified Answers: 0
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kg333's picture
1 post

 Hello all,

I've been attempting to program a CY8C3866AXI-040 ES1 which was provided with a preliminary CY8CKIT-001 REV5 PSoC development kit, and seem to have hit a dead end.

The ES1 Device Revision is not selectable in PSoC Creator 1.0, and reports the following error when trying to program:

"The selected debug target 'CY8C3866AXA-040 ES1' is not compatible with the project's selected device 'CY8C3866AXI-040 ES2'"

I'm aware that the chip is being detected as "AXA" instead of "AXI", but selecting an "AXA" device for the project met with no success.


Is there anyway to get around this error?  My understanding is that the ES1 run is not supported, per the following link:


Any help would be appreciated.

yfs's picture
Cypress Employee
102 posts

That's an obsolete piece of silicon. Please email your contact details to and I'll see to it that we get you a new module with production silicon on it.

There's no charge but I will ask you to blend the old one...!

-- mgs


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