www.nicerf.com SV652
2) Sleep mode
After Power on Reset, the module enters into sleep mode when CS pin is pulled low. In this mode,
the current consumption is very small. In Sleep mode, the module can’t do any communication and
cant’ be set even Set Pin is pulled low. All the parameters will be kept unchanged in Sleep mode.
User can wake up the module by pulling high the CS Pin.
3) Working Mode
The CS and SET Pin is internally pulled up. Pull CS pin high or leave it open will make SV652 enter
into working mode.
Sleep mode Working mode Setting mode
CS 0 1* 1*
SET X 1* 0
★ 1*: connected to 3.3V or leave open. X: don’t care
In working mode, SV652 stay in receiving mode and wait for the series signal and RF signal.
SV652 can connect with any device which is standard 232/485/TTL interface.
When series signal comes, SV652 will check the input series signal if there is any error, and then
transmit the received data out via RF automatically if no errors found.
When RF signal comes, SV652 will check the RF signal input if there is any error, and then transmit
the received data out via series port automatically if no error found.
When one packet is transmitted successfully, the Red LED will blink once.
When one packet is received and verified with no problem, the Blue LED will blink once.
The easiest way to test the module is using computer. The corresponding PC software is “Series
Debugging assistant” can be downloaded at : http://www.nicerf.com/downpwd.aspx?id=102, the
password for download is “nicerf”. User can use our USB bridge board (SU108 –TTL / SU108-232
/SU108-485) to connect SV652 with computer.
The GUI of the software is as below:
