NC1NC2VSSD3I2C_SCL_A4I2C_SDA_A5SWDData6SWDClock7A_ADDR08A_ADDR19VSSD10VSSD11VCCD12VSSD13XRES#14VDDD15VSSD16VSSA17B_ADDR018B_ADDR119INT_B#20I2C_SCL_B21I2C_SDA_B22FS#23VDDD24EP25