Thread: Spike Control Line Signals
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Unread 24-06-2005, 18:16
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Re: Spike Control Line Signals
A PIC can source or sink 20 mA typically, and sink 25 mA in some chips. However there are power restrictions on ports and the power pins, so you aren't going to be using all the power on all the pins at the same time. Plus IFI probably has some isolation/protection circutry to keep from hosing the PIC with static or by accidentaly sending it 12v or something. That probably has more to do with the current limit then the PIC its self.
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