AGND1NC2PortN03NC4PortN15AGND6NC7PortN28NC9PortN310AGND11AGND12SCAN013SCAN114VRext15NC16V5417NC18V519V3P320V1P821VPP22In_Top23EnB_Reg24AGND25AGND26AGND27ALT_A/B2824V_En294Pair_En30AGND31P0LED32P1LED33P2LED34P3LED35Overload36LED_CLK37LED_DAT38SCL/EE_CLK39SDAO40SDAI/EE_DAT41INITB42DGND43DV3P344RstN45AD246AD147AD048EP49