[sdiy] pd650 - do all the Roland applicaitons use an identical chip?

[Andre Majorel]

On 2005-10-13 23:27 +0200, Rainer Buchty wrote:
> >The 303, the 606, the 808 etc. etc. all list the pd650c as their (now 
> >unavailible) microprocessor. 
> 
> Is there a datasheet available for it? Processors from the past which I 
> don't know always make me curious.

It's in the NEC 1979 catalogue. "µPD650, 4-bit single chip
microcomputer [...] provides all of the hardware features of the
µCOM-43 family, and executes all 80 instructions of the µCOM-43
instruction set."

Holler if you want a scan.

-- 
André Majorel <amajorel at teaser.fr>
http://www.teaser.fr/~amajorel/