Leolabs Member Joined 2004 2007-05-22 2:20 am #1 2007-05-22 2:20 am #1 1)The datasheet stated that the RESET should pull to ground during power up,but many just simply pull up to 3.3V through a resistor,why??? 2)Can the TX be used as a "Digital Signal Loop Out"??? 3)Can all the unused inputs left floating???
1)The datasheet stated that the RESET should pull to ground during power up,but many just simply pull up to 3.3V through a resistor,why??? 2)Can the TX be used as a "Digital Signal Loop Out"??? 3)Can all the unused inputs left floating???
