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GPIO port pull ups enabled

nanayakkaraan
Associate II
Posted on November 05, 2010 at 09:32

GPIO port pull ups enabled

1 REPLY 1
lowpowermcu
Associate II
Posted on May 17, 2011 at 14:13

Hi ANN,

When you enable the pull-up on a pin configured in input you will get the bit in IDR register set to ''1''. the pin can be set to low level by external component. I think that avoids to use external pull-ups on pins so less external components.

Herzlich,

MCU Lüfter