COS41COSLO40DIR28DOS29EXC34EXC_N35FS131FS232RD#2RDVEL5SIN37SINLO38CLKIN22CPO24CS#3REFBYP43REFOUT44RESET#33A25B26LOT30NM27POE6SAMPLE#4XTALOUT21DGND23DGND16AGND42AGND36DB11/SDO7DB10/SCLK8DB99DB810DB711DB612DB513DB414DB315DB218DB119DB020DVDD17DVDD1AVDD39