Pins Definition; Wifi232 Pins Definition - Waveshare WIFI232 User Manual

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3.1 Pins Definition

3.1.1 WIFI232 Pins Definition

Pin Description
1 Ground--GND
2 VCC 3.3V@350mA
3 UART Data Transmit
GPIO
4 UART Data Receive
GPIO
5 UART sends request
of data transmission
GPIO
6 UART receives data
transmission
permission
Figure 7 WIFI232
PHY_TX+
PHY_RX+
nReady/GPIO9
RESET
UART_RTS/GPIO5
UART_TXD/GPIO3
GND
Figure 8 WIFI232 Pins Map
Table 3 WIFI232 Pins Definition
Name
GND
3.3V
UART_TXD
GPIO3
UART_RXD
GPIO4
UART_RTS
GPIO5
UART_CTS
Page 13 of 81
PHY_TX-
PHY_RX-
nReload/GPIO10
nLink/GPIO8
UART_CTS/GPIO6
UART_RXD/GPIO4
3.3V
Directio Note
n
Power Ground
Power 3.3V @ 350mA power input
O If not use UART function,
this 4 pins can be configured
I/O
as GPIO pins, and can
I
change GPIO pin status
I/O
through AT command
O
I/O
I
WIFI232 User Manual