On Sun, Sep 16, 2001 at 10:56:47PM +0100, Philip Blundell wrote:
> It's worth pointing out that the trick of using test mode to measure
> the FIFO occupancy isn't explicitly sanctioned by any datasheet I've
> read. And, indeed, they do normally state that you should only
> change mode when the FIFO is empty.
"The Microsoft Document" suggests driving nStrobe low to prevent
further data transfers "even if the peripheral starts accepting
data". Then fill the FIFO, and for PWord>1, go to mode 001 and see
what cnfgA says in the low bit pair.
Does that sound a better plan?
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This archive was generated by hypermail 2b29 : Wed Oct 10 2001 - 05:32:04 EDT