PD17012GF-055_15 Datasheet, PDF (24/84 Pages) Renesas Technology Corp – SINGLE-CHIP MICROCONTROLLER WITH ON-CHIP PRESCALER, PLL FREQUENCY SYNTHESIZER, AND IF COUNTER FOR CAR-MOUNTED FM/MW/LW RADIO

µPD17012GF-055
Symbol
ME
Description of Functions
This key sets to make preset memory writable.
When initial setting diode MESEL = 1, the key is used to write into preset memory.
While frequency, PS or band/preset is being displayed, if the key is pressed, the “ME” display lights
on the LCD panel and the memory becomes writable for 5 seconds. During this time, if a preset
memory key
M1
to
M6
is pressed, the frequency currently being received
is written into the preset memory. If the
ME
key is being pressed and held during this
time, the frequency cannot be written. When an RDS station is being received in the FM band, both
the frequency and the PI code of the station are written.
If the
ME
key is again pressed while the “ME” display is lighted, then the memory
becomes writable for another 5 seconds from the release of the key.
If tuning is in progress, the procedure has no effect.
Operation of each key in the ME state is as follows.
Key
M1
|
M6
ME
SEEKUP
SEEKDOWN
PSCAN
BAND
ASM
AUTO
SELECT
VOLUP
VOLDOWN
ATT/LOUD
DISP
TP/SK
RDS
PI
Description of Operations
Cancel preset memory writable state.
When the key is pressed, the frequency being received is written
in the corresponding preset memory.
Make preset memory writable for another 5 seconds after releasing
the key.
Cancel preset memory writable state.
Do the function of the key pressed after the last channel.
• Upon reception of FM band
The preset memory writable state is canceled and the operation
of the pressed key is performed.
• Upon reception of AM band
The operation of the pressed key becomes invalid.
Momentary keys other than those given above have no effect.
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