User's Manual

WM620 Hardware User Guide V1.1
All rights reserved by Shenzhen Neoway Technology Co., Ltd. Page 2
indicating Output
NC
52
CTS
I
VDD_2.6V
High-speed UART
clear to send signal
53
RTS
O
VDD_2.6V
High-speed UART
ready for receive
signal
54
RXD
I
VDD_2.6V
High-speed UART
receive data input
(allow input 3V)
55
TXD
O
VDD_2.6V
High-speed UART
transmit data
output
56
NC
Reserved
57
NC
Reserved
58
NC
Reserved
59
NC
Reserved
60
SLEEP_IN
DI
VDD_1.8V
Sleep control pin
input
62
NC
NC
Reserved