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 True USB Willem Programmer (GQ-2X, GQ-3X, GQ-4X)
 TMS4764 / 2364

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T O P I C    R E V I E W
ikrananka Posted - 02/03/2019 : 13:58:37
Does anyone know if there is a way to read the above TMS 8K PROM chips with a GQ-4X? I can't seem to find any equivalent in the device library.
9   L A T E S T    R E P L I E S    (Newest First)
anniel Posted - 02/04/2019 : 15:13:42
quote:
Originally posted by ikrananka

quote:
Originally posted by anniel
Ok, not a standard JEDEC pinout. Simply make yourself an adapter to convert it to a regular 27 series pinout.



Doh!!! I forgot about using an adapter. I bought one years ago, dug it out of hiding, and using this has allowed me to read the 2364/4764 ROM.

Thank you



Good, well done!
ikrananka Posted - 02/04/2019 : 13:38:09
quote:
Originally posted by anniel
Ok, not a standard JEDEC pinout. Simply make yourself an adapter to convert it to a regular 27 series pinout.



Doh!!! I forgot about using an adapter. I bought one years ago, dug it out of hiding, and using this has allowed me to read the 2364/4764 ROM.

Thank you
anniel Posted - 02/04/2019 : 09:31:53
quote:
Originally posted by ikrananka

Found some better info here. The one I want to read is the 2364A/4764 chip on the left.

Image Insert:

39653 bytes


Ok, not a standard JEDEC pinout. Simply make yourself an adapter to convert it to a regular 27 series pinout.
ikrananka Posted - 02/04/2019 : 07:58:44
Found some better info here. The one I want to read is the 2364A/4764 chip on the left.

Image Insert:

39653 bytes
anniel Posted - 02/03/2019 : 17:19:23
quote:
Originally posted by ikrananka

All I get is a buffer full of FF.


Not standard then.
ikrananka Posted - 02/03/2019 : 16:32:38
All I get is a buffer full of FF.
anniel Posted - 02/03/2019 : 16:26:00
quote:
Originally posted by ikrananka

They are standard 24 pin DIP EPROM chips.


If they are standard read them as a regular 27 series EPROM.
ikrananka Posted - 02/03/2019 : 15:54:53
They are standard 24 pin DIP EPROM chips.
anniel Posted - 02/03/2019 : 15:19:30
quote:
Originally posted by ikrananka

Does anyone know if there is a way to read the above TMS 8K PROM chips with a GQ-4X? I can't seem to find any equivalent in the device library.



Do they have standard JEDEC pinouts?

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