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Author Topic: Looking for a NEC D1771C 011 Datasheet  (Read 2779 times)

Blanka

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Looking for a NEC D1771C 011 Datasheet
« on: October 16, 2011, 04:08:42 PM »
Have a Firefox 7 game that has a NEC D1771 C011 chip on the logic board, and I think it is some sound generator. Does anybody know where to find a datasheet for it. I find some D17718, D17719 etc sheets, but these are all square chips with half width pinouts, mine is a normal 28 pin DIP.
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PaulSwan

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Re: Looking for a NEC D1771C 011 Datasheet
« Reply #1 on: November 14, 2011, 09:29:02 PM »
That's also often referred to as uPD1771 - there is some info in the MAME source for it.
Paul.
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Blanka

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Re: Looking for a NEC D1771C 011 Datasheet
« Reply #2 on: November 15, 2011, 01:23:40 PM »
Thanks, It was in MESS, not in MAME, but it does contain very useful info. Pinout details, principle etc.  ;D
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