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GPIO output speed of BF548

Question asked by BFProgrammer on Aug 7, 2011
Latest reply on Aug 10, 2011 by BFProgrammer

Hi all!


I wrote some small function that otputs 8 bit data through GPIO F port and clock

through port B.

The function works, the data is transferred from BF547M custom board to Altera III device

and I get all necessary acknowledges.

The problem is, the time it takes to output single word of data through GPIO port:

it takes 140 nanosecs to output the 16 bit data ?

Do anybody can reassure that this is the real specification time? It is pretty big?