EP29VREG28VCC27PWR#/I2C_SDA26OVR#[1]25OVR#[2]24GANG23SELFPWR22VCC_D21OVR#[3]20OVR#[4]19TEST/I2C_SCL18RESET#17DD+[4]16DD-[4]15VCC_A14DD+[3]13DD-[3]12XOUT11XIN10VCC_A9RREF8DD+[2]7DD-[2]6VCC_A5DD+[1]4DD-[1]3D+2D-1