Datasheet of Motorola's "SC10429" (SC 10429 Revox order code 50.05.0143) wanted

tiefbassuebertr · 11:42 AM

I need a datasheed of this mask perogrammable IC from MOT. This IC is used e.g. in the A-700 (A700), perhaps also in various other models the ReVox order code was 50050143.
Software/firmware therefore is easy to get in the meantime about
http://www.revox.name
e-mail:
stephan@revox.name

Steerpike · 14th November 2010, 01:17 AM

Maybe you already know all this, and you have some other, unusual plan for it, but I don't think the firmware would be useful. Being mask-programmable, it isn't like an EPROM or Flash ROM that "ordinary people" can program electrically. The program is put into it at the silicon fabrication stage.

It would be easy to write software for a modern PIC or Atmel microcontroller that did the same thing. To reverse engineer it, the schematic of the A700 will show what pins are inputs and outputs. Use of the A700 will reveal its operational logic - which is not very complicated.

tiefbassuebertr · 31st January 2012, 08:29 AM

in this case this thread could be of interest:
Old Philips DAC module - info. required.

MichelvanderMark · 2nd January 2013, 08:20 AM

Hi,
Did anybody find a suitable replacement for this SC10429 ?
I think it must be possible to design a board with a static logic circuit...

14th November 2010, 01:17 AM	#2
Steerpike diyAudio Member Join Date: Jan 2006 Location: Johannesburg, South Africa	Maybe you already know all this, and you have some other, unusual plan for it, but I don't think the firmware would be useful. Being mask-programmable, it isn't like an EPROM or Flash ROM that "ordinary people" can program electrically. The program is put into it at the silicon fabrication stage. It would be easy to write software for a modern PIC or Atmel microcontroller that did the same thing. To reverse engineer it, the schematic of the A700 will show what pins are inputs and outputs. Use of the A700 will reveal its operational logic - which is not very complicated. __________________ Steerpike's Toybox

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31st January 2012, 08:29 AM	#3
tiefbassuebertr diyAudio Member Join Date: Jul 2005 Location: D-55629 Schwarzerden	in this case this thread could be of interest: Old Philips DAC module - info. required.

2nd January 2013, 08:20 AM	#4
MichelvanderMark diyAudio Member Join Date: Dec 2012	Hi, Did anybody find a suitable replacement for this SC10429 ? I think it must be possible to design a board with a static logic circuit...