Anonymous
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Oct 10, 2014
06:38 AM
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Oct 10, 2014
06:38 AM
Hello,
I want to know whether there is any delay coming with the GPIO Pin_Write function. As per pins datasheet, rising and falling times for fast mode is 12 ns each. This is for strong drive modes. I am interested in resistivee pull up/ down mode, and has configured slew rate to be fast. Is the delay I expect should be around 24 ns?
Any clue on this is appreciated.
Thanks.
-Anuradha
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PSoC 5LP
1 Reply
Oct 10, 2014
04:26 PM
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Oct 10, 2014
04:26 PM
The pullup R's range from 3.5 to 8.5K in value, standard RC
rise time will apply for a given bus loading. Note there is a
toggle rate issue that can be improved with register writes,
see ap note -
http://www.cypress.com/?rID=57571 AN72382 - Using PSoC® 3 and PSoC 5LP GPIO Pins
Regards, Dana.