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admin发表于 2020-12-15 10:50 | 显示全部帖子
回复 1# marck3
I don't understand you.

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2#
admin发表于 2020-12-19 12:53 | 显示全部帖子
it maybe bad PLCC32 adapter.
DIP32 is same as PLCC32
I tested a DIP32 is normal. 20 05 is a device ID，　may be your PIN A9 connect with VPP.note:
the adatper:   PLCC32 to DIP32   not PLCC32 to DIP28

M27C1001.JPG

My IC : Two pins are broken, but it can be Read.

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admin发表于 2020-12-21 13:55 | 显示全部帖子
回复 9# marck3

we will buy sample for testing

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4#
admin发表于 2020-12-28 09:37 | 显示全部帖子
回复 10# admin

I got three M27C1001  and Tested,  Reading and Writting all are Normal.
I'm sure The software is no problem.
M27C1001.JPG
M27C1001_2.jpg

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