Rainbow Electronics W90N745CDG User Manual
Page 23

W90N745CD/W90N745CDG
- 18 -
Table 5.2 W90N745 128-pin LQFP Multi-function List
PIN NO.
DEFAULT
FUNCTION0
FUNCTION1
FUNCTION2
FUNCTION3
USB1.1 Host/Device Interface
1 USBVDD USBVDD -
- -
2 DP1
DP1 - - -
3 DN1
DN1 - - -
4 USBVSS USBVSS -
- -
5 USBVSS USBVSS -
- -
6 DN0
DN0 - - -
7 DP0
DP0 - - -
8 USBVDD USBVDD -
- -
9 VDD33 VDD33 - - -
UART[2:0]/PS2 Interface
10 GPIO[5] GPIO[5] UART_TXD0 -
-
11 GPIO[6] GPIO[6] UART_RXD0 -
-
12 GPIO[7] GPIO[7] UART_TXD1 -
-
13 GPIO[8] GPIO[8] UART_RXD1 -
-
14 GPIO[9] GPIO[9] UART_TXD2
UART_CTS1
PS2_CLK
15 GPIO[10] GPIO[10] UART_RXD2
UART_RTS1
PS2_DATA
16 VSS33 VSS33 - - -
I
2
C/USI Interface
17 GPIO[11] GPIO[11]
I
2
C_SCL0
SSP_FRAM TIMER0
18 GPIO[12] GPIO[12]
I
2
C_SDA0
SSP_TXD TIMER1
19 GPIO[13] GPIO[13]
I
2
C_SCL1
SSP_SCLK KPI_ROW[3]
20 GPIO[14] GPIO[14]
I
2
C_SDA1
SSP_RXD KPI_ROW[2]
21 VDD18 VDD18 - - -
22 VSS18 VSS18 - - -
23 VDD33 VDD33 - - -
24 VSS33 VSS33 - - -
System Reset & TEST
25 nRESET nRESET - - -
26 TEST
TEST - - -