PD17012GF-058_15 Datasheet, PDF (21/94 Pages) Renesas Technology Corp – PLL FREQUENCY SYNTHESIZER AND CONTROLLER FOR FM/MW/LW TUNER (AUTOMOBILE APPLICATION)

µPD17012GF-058
Initial setting
diode
Description
AREA1
AREA2
AREA3
These switches are used to specify the reception area.
The following table lists the settings of the switches and the corresponding reception areas.
See the summary of functions for the reception frequencies in each reception area.
AREA3
0
0
AREA2
0
0
AREA1
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
Area
Western Europe
Australia
Middle and Near East
Japan
USA 1
USA 2
Eastern Europe
USA 3
China
AUTO500
(1: Shorted by the diode; 0: Open)
This switch specifies the function of the MAN UP and MAN DWN keys. With the AUTO500 switch, it is
possible to use the MAN UP and MAN DWN keys also for auto-tuning (seek operation), as follows.
AUTO500
MAN UP and MAN DWN key function
0
Only manual tuning is performed.
Each time the key is pressed, the frequency counter is incremented or decremented by
one channel. Keeping the key pressed for at least 0.5 seconds triggers manual fast
increment/decrement.
1
Both manual and auto-tuning are performed.
Each time the key is pressed, the frequency counter is incremented or decremented by
one channel. Keeping the key pressed for at least 0.5 seconds causes auto-tuning
(seek operation) to begin at the next channel.
The SEEK UP key becomes ineffective.
(1: Shorted by the diode; 0: Open)
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