Byron A Jeff wrote:

> The other resolution is to simply give output pins enough time to settle
> after a RMW instruction before issuing another. Of course this is dependant
> on the capacitive loads that are connected to the port. But under normal
> circumstances, a one NOP delay is usually enough time to give the pin to
> settle to the same state as the port.

In a minuter detail, registers are written to on the Q4 cycle and reads
must have stable valid data on the end of the Q1 cycle, which is basicly
1 Q cycle time for stabilizing.

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Best regards

Tony

mICros
http://www.bubblesoftonline.com
mailto:sales@bubblesoftonline.com

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