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Why external pull up/pull downs required for unused I/O pins?

obtronix
Associate II

‎2007-11-08 5:27 AM

Posted on November 08, 2007 at 14:27

Why external pull up/pull downs required for unused I/O pins?

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2 REPLIES 2
obtronix
Associate II

‎2011-05-17 3:17 AM

Posted on May 17, 2011 at 12:17

Datasheet requires external pullups/pulldowns for unused pins set up as inputs (Figure 20), so why can't I use the internal pullups?

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16-32micros
Associate III

‎2011-05-17 3:17 AM

Posted on May 17, 2011 at 12:17

[ This message was edited by: STOne-32 on 09-11-2007 11:37 ]

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