PD17012GF-055_15 Datasheet, PDF (17/84 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
FM SD/IF
Description of Functions
This switch sets the method of detecting broadcasting stations during auto tuning of the FM band.
It is set as follows:
FM SD/IF
Methods of Detecting Broadcasting Stations
0
SD only used
1
SD and IF counter
(1: Short-circuited with diode 0: Open)
AM SD/IF
This switch sets the method of detecting broadcasting stations during auto tuning of the AM band.
It is set as follows:
AMIF1
AMIF2
AM SD/IF
Methods of Detecting Broadcasting Stations
0
SD only used
1
SD and IF counter
(1: Short-circuited with diode 0: Open)
This switch sets the intermediate frequency of the AM (MW, LW) band.
It is set as follows:
CLK24
AMIF1
AMIF2
0
0
450 kHz
0
1
459 kHz
1
×
10.71 MHz
(1: Short-circuited with diode 0: Open
Intermediate Frequency
× : Don't care)
This switch selects a 12-hour or 24-hour clock display.
It is set as follows:
FLASH
CLK24
Clock Display
0
12-hr display (with "AM", "PM" display)
1
24-hr display
(1: Short-circuited with diode 0: Open)
This switch sets the colon lighting in the clock display.
It is set as follows:
FLASH
0
Always ON
Flash
1
Frequency : 1 Hz
Duty factor : 60 %
(1: Short-circuited with diode 0: Open)
Colon (:) Display
15