As fast as you can. You are limited by the processing you do after each read.buteman wrote:I am planning to use the GPIO system, about which I know very little at present, I thought I would ask some questions here in the hope I can do what I want.
My questions are:
How fast can they be read?
Can a group of them be read as bits in a port as they can on the arduino?
How fast can they be written to?
Can they be written to as bits of a port?
Can anyone answer these questions please as I have not turned up anything definitive via google searches.
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