English
Language : 

LV25700PM Datasheet, PDF (59/68 Pages) Sanyo Semicon Device – For Car Radio Single chip Tuner IC
LV25700PM
SA47. HCC Cut-off Frequency/Automatic Interpolation Setting/Others
D7
D6
D5
D4
D3
D2
D1
D0
RDS_AFC
INT_ATT_ON
HCC_SW3
HCC_SW2
HCC_SW1
-
-
-
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
Function
0
0
0 Not used. Fixed at 0.
0
0
0
HCC cut-ff adjustment: fc = 400Hz (when C51 = 2200pF)
0
0
1
HCC cut-ff adjustment: fc = 500Hz (when C51 = 2200pF)
0
1
0
HCC cut-ff adjustment: fc = 600Hz (when C51 = 2200pF)
0
1
1
HCC cut-ff adjustment: fc = 800Hz (when C51 = 2200pF) * Recommended for AM
1
0
0
HCC cut-ff adjustment: fc = 1kHz (when C51 = 2200pF)
1
0
1
HCC cut-ff adjustment: fc = 1.4kHz (when C51 = 2200pF)
1
1
0
HCC cut-ff adjustment: fc = 2.2kHz (when C51 = 2200pF) * Recommended for FM
1
1
1
HCC cut-ff adjustment: fc = 5.5kHz (when C51 = 2200pF)
0
Not used. Fixed at 0.
0
AF search time constant switching: AF search mode
1
AF search time constant switching: Receive/at SEEK
SA48. DAC Interpolation Selection
D7
D6
D5
D4
D3
D2
D1
D0
S_METER
-
-
-
-
-
RF_INT_P
IRR_INT_P
INT_P
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
Function
0 IRR-ADJ automatic interpolation disabled (no interpolation by internal firmware)
1 IRR ADJ automatic interpolation enabled
0
RF-DAC automatic interpolation disabled (no interpolation by internal firmware)
1
RF-DAC automatic interpolation enabled
0
S_METER_SHIFT automatic interpolation disabled (no interpolation by internal firmware)
1
S_METER_SHIFT automatic interpolation enabled
0
0
0
0
0
System reserved area
SA49. Reserved
D7
D6
D5
D4
D3
D2
D1
D0
-
-
-
-
-
-
-
-
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
System reserved area
Function
No.A1709-59/68