[Coco] SuperIDE backup/restore

Mark McDougall msmcdoug at iinet.net.au
Sun Aug 11 23:49:24 EDT 2013


On 12/08/2013 1:01 PM, Mark Marlette wrote:

> SuperIDE = IDE = CF parrallel data xfer, which I know you know... :)

Ahh, sorry, brain fart! :(

> CPLD, IIRC, as I didn't writ the drivers, busy is detected by bit7
> while polling a status register.

Been a while since I worked on that interface... maybe data setup/hold
violation (wrt DIOW) or parallel data bus skew due to PVT variations if
there were no timing constraints in the CPLD project??? What mode is it
running in - PIO0/1/2?

Regards,

-- 
|              Mark McDougall                | "Electrical Engineers do it
|  <http://members.iinet.net.au/~msmcdoug>   |   with less resistance!"



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