Rainbow Electronics W90N745CDG - Manual (Page 25)

W90N745CD/W90N745CDG
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Table 5.2 W90N745 128-pin LQFP Multi-function List, continued
PIN NO. DEFAULT FUNCTION0 FUNCTION1 FUNCTION2 FUNCTION3
AC97/I ² S/PWM/UART3 Interface
44 GPIO[0] GPIO[0]
AC97_nRESET
or
I ² SMCLK
nIRQ [2] USB_PWREN
45 GPIO[1] GPIO[1]
AC97_DATAI
or
I ² SDATAI
PWM0 UART_DTR3
46 GPIO[2] GPIO[2]
AC97_DATAO
or
I ² SDATAO
PWM1 UART_DSR3
47 GPIO[3] GPIO[3]
AC97_SYNC
or
I ² SLRCLK
PWM2 UART_TXD3
48 GPIO[4] GPIO[4]
AC97_BITCLK
or
I ² SBITCLK
PWM3 UART_RXD3
49 VDD18 VDD18 - - -
50 VSS18 VSS18 - - -
XDMAREQ
51 GPIO[19] GPIO[19] nXDREQ - -
52 GPIO[18] GPIO[18] nXDACK - -
Ethernet RMII/KeyPad Interface
53 GPIO[20] GPIO[20] PHY_RXERR KPI_COL[0] -
54 GPIO[21] GPIO[21] PHY_CRSDV KPI_COL[1] -
55 GPIO[22] GPIO[22] PHY_RXD[0] KPI_COL[2] -
56 VSS33 VSS33 - - -
57 GPIO[23] GPIO[23] PHY_RXD[1] KPI_COL[3] -
58 GPIO[24] GPIO[24] PHY_REFCLK KPI_COL[4] -
59 GPIO[25] GPIO[25] PHY_TXEN KPI_COL[5] -
60 GPIO[26] GPIO[26] PHY_TXD[0] KPI_COL[6] -
61 VDD33 VDD33 - - -
62 GPIO[27] GPIO[27] PHY_TXD[1] KPI_COL[7] -
63 GPIO[28] GPIO[28] PHY_MDIO KPI_ROW[0]
64 GPIO[29] GPIO[29] PHY_MDC KPI_ROW[1]