26 Jul
2005
26 Jul
'05
8:21 p.m.
On Jul 26 2005, 14:42, Jules Richardson wrote:
...
> I don't think there's a need to handle
anything complex in the virtual
> drive. I believe an ST506 drive's purely a data store/replay device and
> it knows nothing of the actual data stored on it - most of the circuirty
> on board is presumably just motor control and head amplifiers / filters.
You'd need to encode the bits correctly so the data/clock seperator
worked, and send the index pulse. But other than that it's just a bit
stream.
humm.... :-)
As I recall the interface is essentially 5V TTL. I'm sitting here
starting at an arm cpu with a cpld on it and about 34 gio pins, all 5v
compatible... hummm... :-) I wonder if this little SAM7S cpu could keep
up. hummm....
-brad