RL78/G1H CHAPTER 18 RF TRANSCEIVER
R01UH0575EJ0120 Rev. 1.20 Page 661 of 920
Dec 22, 2016
(2) Power Down (transition from IDLE to SLEEP) operation
Power Down operation stops the internal circuit of RF unit and transits to the low power consumption mode.
Set the STANDBY pin to the low level to enter the SLEEP state. When using the XTAL_RF oscillator circuit,
set the STANDBY pin to the low level, and then set the OSCDRVSEL internal pin, DON internal pin, and
RFRESETB internal pin to the low level respectively. When using the REFCLKIN_RF external clock, fix the
OSCDRVSEL internal pin at the high level, set the STANDBY pin to the low level, and then set the DON
internal pin and the RFRESETB internal pin to the low level respectively.
(3) RF transmission/reception (transition from IDLE to RF transmission or RF reception)
The state transits from idle to RF transmission or RF reception by the register control.
For the procedure for setting, see 18.7.
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