[sdiy] Best Seq PIC

[The Old Crow]

On Wed, 14 Mar 2001, Andreas H wrote:

> If one would get into programming a PIC sequencer
> which PIC would be the best one for the job?
> I have thought about the 16C74A which seems to
> the best one for the job. Allthough it would'nt
> hurt with a little more I/O's but thats sadly 
> impossible.

  Use a 16F877.

> By the way handling a TB-303 like Matrix keyboard
> is best done how? the way that the original 303 uses
> demands after all 16 I/O's with the leds and everything.

  Use a PIC16F84A to scan keys and send serial packets to the main PIC.
Or, attach I/O expanders like an 8255.

Crow

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