PD17012GF-058_15 Datasheet, PDF (48/94 Pages) Renesas Technology Corp – PLL FREQUENCY SYNTHESIZER AND CONTROLLER FOR FM/MW/LW TUNER (AUTOMOBILE APPLICATION)

µPD17012GF-058
Momentary key
Description
SCAN UP
SCAN DWN
Each key functions during the five-second hold time as follows:
Key
Description
SCAN UP
SCAN DWN
If the SCAN UP key is pressed in scan-up mode, or the SCAN DWN key
is pressed in scan-down mode:
The scan operation stops, and the frequency counter is set to the frequency on
hold.
If the SCAN DWN key is pressed in scan-up mode, or the SCAN UP key
is pressed in scan-down mode:
The operation corresponding to the pressed key begins.
SEEK UP
MAN UP
MAN DWN
P.SCAN
The scan operation stops, and the operation corresponding to the pressed key
begins at the frequency on hold.
BAND
In radio, radio-monitor tape, and radio-monitor CD modes, the scan operation
stops. The operation corresponding to the pressed key begins at the frequency on
hold.
RDMONI
Either of the following operations occurs depending on what the current mode is.
(1) In radio-monitor tape and radio-monitor CD modes
The scan operation stops. The operation corresponding to the pressed key
begins at the frequency on hold.
(2) In radio mode
The seek operation continues, and the key becomes an ineffective key.
LOUD/
ILLUMI-
NATION
POWER
The scan operation continues. The operation corresponding to the pressed key
begins.
MONO/LOC
Either of the following operations occurs depending on the state of the AUTOLOC
initial setting diode.
(1) When AUTOLOC = 0:
The scan operation continues, and the operation corresponding to the pressed
key begins.
(2) When AUTOLOC = 1:
The scan operation continues, and the pressed key becomes an ineffective
key.
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