Product Manual
WBR1D-IPEX Datasheet
8
Table 3-1 WBR1D-IPEX interface pins
Pin No.
Symbol
I/O Type
Function
1 VCC P UART1 power supply pin
2 U1TX I/O UART1_TXD (user-side serial interface)
3 U1RX I/O UART1_RXD (user-side serial interface)
4 3V3 P Power supply pin (3.3 V)
5 GND P Power supply reference ground pin
6 IO14 I/O GPIO_14
7 IO12 I/O GPIO_12
8 U0TX I/O UART0_TXD (used to display the module
internal information)
9 IO0 I/O GPIO_0
10 IO5 I/O GPIO_5
11 U0RX I/O UART0_RXD (used to display the module
internal information)
12 IO1 I/O GPIO_1
13 IO4 I/O GPIO_4
14 GND P Power supply reference ground pin
15 GND P Power supply reference ground pin
16 RESET I/O External reset pin
17 TOUT AI ADC pin
18 GND P Power supply reference ground pin
Note:
P indicates power supply pins, I/O indicates input/output pins, and AI indicates analog
input pins.
RESET is only a hardware reset pin and cannot clear the Wi-Fi network configuration.