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PORT UA[0:1] not working as expected

Question asked by nedilson nedilson on May 11, 2009
Latest reply on Jun 17, 2009 by nedilson nedilson

Hi!

Surely i´m missing something, but when trying to use UA port as digital inputs on the MCF52211CAF80 the two lower [1:0] bits (pins 8 and 7) only read 1´s (the PUAPAR and DDRUA are supposely correct). These port I/O´s appear to weak pull-down, while [3:2] are pulled-up (?!). Any suggestion?

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