CLKIN11CLKINB12CLKIN23I2C_LSB4FDBK45FDBKB46VDD7INTR8CLK3B9CLK3A10VDDO311SCL12CLK2B13CLK2A14VDDO215VDDO116CLK1B17CLK1A18SDA19VDDO020CLK0B21CLK0A22GND23VDD24GND25