Users Manual

www.wireless-tag.com WT52840-S1
7
/
27
Wireless-Tag Technology www.wireless-tag.com [e-mail]
2. Module Pin Definitions and Module Size
Bottom view
2.1 Pin Description
Chip Pin
Module Pin
Function Description
VDD_NRF
VDD
DC 2.0~3.6V
GND
GND
Ground
P0.04
ENABLE
Serial port enabling pin, pull it up to activate the
module serial port functions, pull it down to close the
serial port, the module power consumption is reduced
P0.06
TXD
UART--TX
P0.08
RXD
UART--RX
P0.13
Led status
Bluetooth status indication, broadcast/scan status
flashes, connection status is always on
P0.11
Wake up
Module wake-up pin, wake up on rising edge after
module sleep