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Old 02-21-2020, 02:10 PM   #41
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Default Re: Using my CH341A.

Originally Posted by newguy90 View Post
I successfully read and wrote in circuit the 93c56 and 93A56 EEPROM's. I didn't have to power on the circuit, I just used the SOIC8 test clip with the interface
that I built!
I could not use the CH341a though, so I have no use for that interface... at least for now.
newguy90, I am working through a similar problem that you did, do you mind doing a quick writeup of what you did to get this to work? It sounds like you didn't use the CH341 usb programmer/software, but connected directly to the chip through a serial port? I wasn't sure where the drawing you redlined came from, or if that was the final version that you used. Thanks.
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Old 02-21-2020, 10:04 PM   #42
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Default Re: Using my CH341A.

Check this site, it has some information:
or do a google search for "93c56 programmer"
Also see here for ponyprog
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Old 02-22-2020, 07:33 AM   #43
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Default Re: Using my CH341A.

if you dont want to build something,
another option is this!

i just recieved one yesterday - very capable for the price!
(and it can work in Linux as well as windows)
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