User's Manual

9
3.3 Power OFF Duration
OFF duration (referred to as “TvccOFF” in the figure) is required to re-power ON.
“TvccOFF” must be (1 second) or more.
ON duration (referred to as “TvccON” in the figure) is required before sending any command to the
transceiver.
“TvccON” must be (0.5 second) or more.
Item Description Condition Time
TvccOFF Required OFF duration to re-power ON
TvccFall=0ms
(1 sec)
TvccON
Required ON duration to complete start up
after completion of power-on (TvccRise).
TvccRise≦
10ms
(0.5sec)
3.4 Power Supply Protection Circuit
The transceiver does not have any power supply protection circuits.
Add the following protection circuits to the host device as necessary.
・Over current protection circuit
・Over voltage protection circuit
Add appropriate countermeasures for noise as necessary.
Power ON
Power OFF
completion of
startup