[sdiy] Help-Blacet midi-din sync chip problems!

[Colin Fraser]

> -----Original Message-----
> From: owner-synth-diy at dropmix.xs4all.nl 
> [mailto:owner-synth-diy at dropmix.xs4all.nl] On Behalf Of Rob B
> Sent: 10 February 2002 8:44
> To: David D
> Cc: synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] Help-Blacet midi-din sync chip problems!
> 
> 
> Er, actually, I was looking to somewhat
> modify Colins software to do per step
> offsets and shift the timing signals
> around in groups of 6..

I don't think I would try to squeeze that out of a PIC, not without a
hardware UART to make life easier.

It'd be a lot easier to build a 'master clock' device, with a high
internal resolution, midi sync output, DIN sync output with selectable
ppqn, various arpeggiator triggers etc. than to mess about with the
clock from another device.
Just a thought...

While I remember, my analogue sequencer (
http://www.colinfraser.com/p3/p3.htm ) DIN sync output has a 50% duty
cycle.
The internal timer runs at double the rate of the 24 ppqn clock, and
toggles the clock output each timeout.
I've synced multiple 606s, my 303, 707, 727 etc. to it and never had any
trouble.

Colin f