i.c.1i.c.2TXDL3V14RXDL5RSTN6INTN7EN8SDI9SDO10SCK11SCSN12i.c.13i.c.14TEST115WDOFF16LIMP17WAKE118WAKE219i.c.20i.c.21i.c.22GND23i.c.24LIN25DLIN26i.c.27WBIAS28VEXCC29TEST230VEXCTRL31BAT32EP33