N51 EVK User Guide
About This Document
Copyright © Neoway Technology Co., Ltd
6
⚫
Yellow
Module RXD, input, maximum 3.3 V CMOS level
⚫
Black
Ground
⚫
Red
VBAT, main power input, 3.6V to 4.5V, 3.8 V recommended
To use the UART function, install the USB-to-UART driver (PL2303) first. If an MCU is used to control
the module, connect the as shown in the following figure:
RXD
TXD
TXD
RXD
GND
GND
DTE
DCE
3.8V
3.2.2
Micro-USB Cable
A micro-USB cable is used to connect N51 to a computer for USB or serial communication.
Figure 3-3
USB cable