User Manual

WiFi Module User
Manual
4
Excellent matching circuit in RF-Front ensures that the signal has
minimal signal loss and radiation. The MCU provides the interfaces for
a variety of peripherals (Timer, PWM, Interrupt, AD, the Debug) from
the module to the baseboard. Each peripheral that connects to the
MCU I/O pins can choose between two different I/O pin locations with
the provided flexibility in various
applications.
4、Pin Definition
Figure2. Pin Definition
Table2. Pin Definition
PIN
Name
Mode
1
VCC
+5V
2
UART_TX
UART_TX
3
UART_RX
UART_RX
4
GND
Ground