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GPIO Port configuration register - max speed

alanrouse9
Associate II
Posted on December 01, 2010 at 14:27

GPIO Port configuration register - max speed

4 REPLIES 4
Posted on May 17, 2011 at 14:16

Slew Rate control, slower rates will also reduce the overshoot and ringing, as the pins are driven less aggressively.

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John F.
Senior
Posted on May 17, 2011 at 14:16

Lower electrical noise because of reduced slew rate helps analogue and also improves chances of passing EMC (radiated noise) tests.

Posted on May 17, 2011 at 14:16

''improves chances of passing EMC (radiated noise) tests.''

Also conducted noise?
dthedens2
Associate II
Posted on May 17, 2011 at 14:16

And higher frequency setting can cause higher current draw