C5001 Overview
Pin Number 2 Pin Name XIN PWR VDDA I/O I Description This pin is the connection point for the devices Loop reference frequency. This may be either a CMOS 3.3 volt reference clock or the output of an external crystal. A nominal 14.31818 MHz frequency must be supplied to obtain the frequencies listed on this data sheet This pin the devices output drive that is to be used when an external crystal is used.