[sdiy] Microcontrollers

[The Old Crow]

On Mon, 30 Jul 2001, Bill Keys wrote:

> I know my Prophet 600 uses an Intel 8048, but all it really does is
> MIDI and A/D capture of the knobs. Maybe keyboard decoding, but the
> VCOs and Filters are chips.... but you might try the tried and true
> 8031/8051.... I think my Korg Poly61 does essentially the same thing,
> using - maybe - the '51... I don't remember

  The P600 uses a Z-80, actually.  All the Prophets do.  The Z-80 controls
all panel A/D and D/A, patch management and key assigning in addition to
MIDI I/O and the sequencer stuff in the case of the P-600.

> I've toyed around with using Atmel / PICs for subcircuit controllers,
> but never did get to the point where I could choose a master
> controller. For me, with VERY limited time, it would be too
> brain-racking to study each chip's particular version of machine code.
> I mean, I got the PIC16C84 down and it only took a year and a half. I
> almost decided on using an old 486DX and Turbo C++ but didn't want to
> harden a pc for playing gigs.

  Use a PIC16F877 and a PIC C compiler.  Very useful combo.

Crow

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