CSB/I2C_SELB4SDI/SDAD3SDO/ADDRC4SCLK/SCLD4INTBB2PD1_INA4PD2_INA3LED3_DRVD2LED2_DRVD1LED1_DRVC1LED4_DRV/TRIGC2VREFB1PGNDC3VLEDB3GNDA1VDDA2