USBDN_DM21USBDN_DP22USBDN_DM33USBDN_DP34VDD335PRTCTL26PRTCTL37SPI_CE_n8GPIO49VDD3310SPI_DI11GPIO512GPIO613GPIO1514CRFILT15VDD3316xD_D317xD_D218xD_D119xD_D020xD_nWP21xD_nWE22xD_ALE23xD_CLE24VDD3325xD_nCE26xD_nRE27xD_nB28GPIO1429xD_D730GPIO1231xD_D632xD_D533VDD3334GPIO1035GPIO236GPIO137nRESET38VBUS_DET39TEST40VDD3341USB+42USB-43XTAL244XTAL145PLLFILT46RBIAS47VDD3348VSS49