REF_01REF_12VDD_REF3XIN4XOUT5VSS_REF6PCIF07PCIF18PCIF29VDD_PCI10VSS_PCI11PCI012PCI113PCI214PCI315VDD_PCI16VSS_PCI17PCI418PCI519PCI620PD#213V66_0223V66_123VDD_3V6624VSS_3V66253V66_2263V66_327SCLK283V66_4/VCH29SDATA30USB_4831DOT_4832VSS_4833VDD_4834VTT_PWRGD#35VDD_SRC36SRCC37SRCT38VSS_SRC39CPUC040CPUT041VDD_CPU42CPUC143CPUT144VSS_CPU45CPUC246CPUT247VDD_CPU48PCI_STP#49CPU_STP#50FS_A51IREF52VSS_IREF53VSS_A54VDD_A55FS_B56