Source/Sink Resistance of PSoC® 1 GPIO - KBA83806
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Oct 18, 2012
03:24 AM
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Oct 18, 2012
03:24 AM
Version: **
Question: What are the source and sink resistances of PSoC 1 GPIO configured in strong drive mode?
Answer:
The source and sink resistances of a GPIO configured in strong drive mode are 100 Ω and 30 Ω respectively. The VOH and VOL specifications by accounting these source/sink resistances are given below.
VOH = Vdd-1 V at 10 mA: 100 Ω sourcing
VOL = 0.75 V at 25 mA: 30 Ω sinking
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