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Author Topic: different checksum reading  (Read 3898 times)
rjpohl
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« on: November 27, 2008, 11:48:12 AM »
I have a TOP2003 and Chinese knock off Willem.  I'm reading the same chip in both and get a slightly different checksum.

in the Top2003 I get:  17e3ddb
in the Willem I get:      0x3DDB

this is a 27c010 eprom, I've read several other chips and the first few digits don't match and the last 4 do match.

thanks for your help
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idesign
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« Reply #1 on: November 27, 2008, 12:28:59 PM »
Not sure why you are getting the first digits different but it's the last 4 that count and they are identical.
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rickhunter
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« Reply #2 on: December 01, 2008, 03:00:42 PM »
The longer checksum is 32 bit, the shorter one is 16bit.  If you had an 8bit checksum it would only be the last two digits.
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