How to program a Revision 2B 391679-01 (XU1) GAL

Tz_Amiga · 08 November 2023, 21:05

A1200 Revision 2B 391679-01 (XU1) GAL

Is the 391679-01 (square package with 5 pins on each side) PLCC20? If so is it possible to reprogram it with a PLCC20 adapter plugged into a TL866? I'm new to this so maybe there are better ways to do it?

Any advice appreciated

Thanks.

Tz_Amiga · 09 November 2023, 14:22

Thanks for that, I'll order an adapter now. I have the correct rev 2b ux1 downloaded from the wiki ready when it arrives.

Tz_Amiga · 09 November 2023, 22:45

Does anyone know the correct pitch for the PLCC20 socket? I figured I might as well socket it when it goes back on the board.

Also, if possible the pitch for a PLCC44 socket for the 391508-01 Keyboard MPU.

Thanks

hooverphonique · 10 November 2023, 10:26

I think they're the ordinary 1.27mm plcc pitch, but why don't you just measure it while you have it at hand?

Tz_Amiga · 10 November 2023, 23:15

Quote:

Originally Posted by hooverphonique

I think they're the ordinary 1.27mm plcc pitch, but why don't you just measure it while you have it at hand?

Thanks

I was ordering the parts today whilst I was away from home. I'll double check the measurement now too.

08 November 2023, 21:05	#1
Tz_Amiga Registered User Join Date: Oct 2023 Location: Manchester Posts: 14	How to program a Revision 2B 391679-01 (XU1) GAL A1200 Revision 2B 391679-01 (XU1) GAL Is the 391679-01 (square package with 5 pins on each side) PLCC20? If so is it possible to reprogram it with a PLCC20 adapter plugged into a TL866? I'm new to this so maybe there are better ways to do it? Any advice appreciated Thanks.

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09 November 2023, 14:22	#2
Tz_Amiga Registered User Join Date: Oct 2023 Location: Manchester Posts: 14	Thanks for that, I'll order an adapter now. I have the correct rev 2b ux1 downloaded from the wiki ready when it arrives.

09 November 2023, 22:45	#3
Tz_Amiga Registered User Join Date: Oct 2023 Location: Manchester Posts: 14	Does anyone know the correct pitch for the PLCC20 socket? I figured I might as well socket it when it goes back on the board. Also, if possible the pitch for a PLCC44 socket for the 391508-01 Keyboard MPU. Thanks

10 November 2023, 10:26	#4
hooverphonique ex. demoscener "Bigmama" Join Date: Jun 2012 Location: Fyn / Denmark Posts: 1,643	I think they're the ordinary 1.27mm plcc pitch, but why don't you just measure it while you have it at hand?

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