W90N745CD Datasheet, PDF (25/422 Pages) Winbond – 16/32-bit ARM microcontroller

W90N745CD/W90N745CDG
Table 5.2 W90N745 128-pin LQFP Multi-function List, continued
PIN NO.
DEFAULT
FUNCTION0
FUNCTION1
AC97/I²S/PWM/UART3 Interface
44
GPIO[0]
GPIO[0]
AC97_nRESET
or
I²SMCLK
45
GPIO[1]
46
GPIO[2]
GPIO[1]
GPIO[2]
AC97_DATAI
or
I²SDATAI
AC97_DATAO
or
I²SDATAO
47
GPIO[3]
48
GPIO[4]
GPIO[3]
GPIO[4]
AC97_SYNC
or
I²SLRCLK
AC97_BITCLK
or
I²SBITCLK
49
VDD18
VDD18
-
50
VSS18
51
GPIO[19]
52
GPIO[18]
VSS18
-
XDMAREQ
GPIO[19]
nXDREQ
GPIO[18]
nXDACK
Ethernet RMII/KeyPad Interface
53
GPIO[20]
GPIO[20]
PHY_RXERR
54
GPIO[21]
GPIO[21]
PHY_CRSDV
55
GPIO[22]
GPIO[22]
PHY_RXD[0]
56
VSS33
VSS33
-
57
GPIO[23]
GPIO[23]
PHY_RXD[1]
58
GPIO[24]
GPIO[24]
PHY_REFCLK
59
GPIO[25]
GPIO[25]
PHY_TXEN
60
GPIO[26]
GPIO[26]
PHY_TXD[0]
61
VDD33
VDD33
-
62
GPIO[27]
GPIO[27]
PHY_TXD[1]
63
GPIO[28]
GPIO[28]
PHY_MDIO
64
GPIO[29]
GPIO[29]
PHY_MDC
FUNCTION2
nIRQ [2]
PWM0
PWM1
PWM2
PWM3
-
-
-
-
KPI_COL[0]
KPI_COL[1]
KPI_COL[2]
-
KPI_COL[3]
KPI_COL[4]
KPI_COL[5]
KPI_COL[6]
-
KPI_COL[7]
KPI_ROW[0]
KPI_ROW[1]
FUNCTION3
USB_PWREN
UART_DTR3
UART_DSR3
UART_TXD3
UART_RXD3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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