PD17012GF-058_15 Datasheet, PDF (60/94 Pages) Renesas Technology Corp – PLL FREQUENCY SYNTHESIZER AND CONTROLLER FOR FM/MW/LW TUNER (AUTOMOBILE APPLICATION)

µPD17012GF-058
Figure 3-4. Transition of Alarm Operations 3 (During Alarm Function Processing)
ALARM key
Exit mode
The ignition switch is turned on
Exit time elapsed
(confirmation of closing the door)
<Exit mode>
Waits for the specified exit time.
Upon the completion of the wait,
checks that the door is closed
and displays "ALA."
The door is opened
"ALA" is displayed
for 10 seconds
The ignition switch is turned on
<"ALA" is displayed for 10 seconds>
"ALA" is displayed for 10 seconds.
When an open door is detected within
this 10 seconds, entry mode is selected.
Ten seconds elapsed
The ignition switch is turned on
Halt
<Halt>
The door switch is checked every 100 ms.
When an open door is detected, entry mode
is selected.
The door is opened
Entry mode
The ignition switch is turned on
<Entry mode>
A beep is output every 0.5 second.
Once the specified time elapses,
alarm mode is selected.
Entry time elapsed
Alarm mode
The ignition switch is turned on
Reset time elapsed
<Alarm mode>
Electronic volume output is maximized
and a special beep is output.
Alarm-out output is at the high level.
Once the specified time elapses,
alarm processing is terminated.
Alarm time setting completed
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