User's Manual

WiFiModuleMWF‐5201
2. InterfaceDefinition
A. J1PinDefinition
Description Pin Specification Notes
 1 3.3V 3.3VDCinputpin
 2 CPURST_N CPUreset
3 GPIO2_/I2C_SCLK I2CClock
GPIO/I2C
4 GPIO1_/I2C_SD I2CData
 5 GND Ground
 6 GND Ground
B. J2PinDefinition
Description Pin Specification Notes
1 UPHYO_PADP
USBData+
2 UPHYO_PADM
USBData‐
USB
3 USB_GND Ground
4 TXOM4 PHY4TX‐
5 TXOP4 PHY4TX+
6 RXIM4 PHY4RX‐
EPHY4
(DefaultWANPort)
7 RXIP4 PHY4 RX+
8 RXIM3
PHY3RX‐
9 RXIP3
PHY3RX+
10 TXOM3
PHY3TX‐
EPHY3
(DefaultLANPort)
11 TXOP3 PHY3TX+
12 GPIO11/RTSN SeeTable1
13 GPIO12/TXD SeeTable1
14 GPIO13/CTSN SeeTable1
GPIO/UART
15 GPIO14/RXD SeeTable1
16 GPIO10/I2SSD SeeTable2:I2SSD
17 GPIO8/I2SWS SeeTable2:I2SWS
18 GPIO9/I2SSDO SeeTable2:I2Soutput
19 GPIO7/I2SCLK SeeTable2:I2Sclock
GPIO/I2S
20 MCS1_N Clockoutput
21 RXD2 UART2RXDUART2
(CONSOL)
22 TXD2 UART2TXD
LED 23 W_LED WLANActivityLED
SPI 24 SPI_MISO SPImasterinsalveout
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