Renesas RL78 Series User Manual page 640

RL78/G1D
15.4.3 State transition diagram
Figure 15-6 shows the state transition diagram of the RF modes of the RF transceiver.
DEEP_
SLEEP
mode
Transition command
CE_RF internal
pin: High → low
SLEEP_
RF
mode
transmission
mode
Caution: When the RFCTLEN pin changes from high to lo w, a transition to a power-down mode is made.
R01UH0515EJ0120 Rev.1.20
Dec 16, 2016
Figure 15-6. State Transition Diagram
RFCTLEN pin: High → low
CE_RF internal pin:
High → low
Release source generated
CE_RF internal
pin: Low → high
Release source
generated
Transition command
Transmission
completed
RF
Transmission event
CHAPTER 15 RF TRANSCEIVER
Power
off
Power supply is started
RFCTLEN pin: Low
POWER_
DOWN
mode
RFCTLEN pin: Low → high
CE_RF internal pin: Undefined → low
RESET_RF
mode
CE_RF internal pin:
Undefined → low
STANDBY
_RF
mode
RESET_RF
RESET_RF internal
internal pin:
pin: Low → high
High → low
IDLE_RF
mode
Analog circuit
startup
SETUP_RF
mode
Reception
completed
Reception event
reception
RF
mode
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