LV25700PM Datasheet, PDF (58/68 Pages) Sanyo Semicon Device – For Car Radio Single chip Tuner IC

LV25700PM
SA44. IF Band Variable AFC Control (+ Side)
D7
D6
D5
D4
AFC_MAX_7
AFC_MAX_6
AFC_MAX_5
AFC_MAX_4
D3
AFC_MAX_3
D2
AFC_MAX_2
D1
AFC_MAX_1
D0
AFC_MAX_0
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
Function
IF Filter AFC control threshold value [+ side] = 0: Threshold value Low (sensitive to
0
0
0
0
0
0
0
0 interference Δf small)
* Provide hysteresis with respect to the SA45 settings.
0
0
0
0
0
0
0
1
↓
1
1
1
1
1
1
1
0
1
1
1
1
1
1
1
1 IF Filter AFC control threshold value [+ side] = 255: Threshold value High (sensitive to
interference Δf large)
SA45. IF Band Variable AFC Control (- Side)
D7
D6
D5
D4
AFC_MIN_7
AFC_MIN_6
AFC_MIN_5
AFC_MIN_4
D3
AFC_MIN_3
D2
AFC_MIN_2
D1
AFC_MIN_1
D0
AFC_MIN_0
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
Function
IF Filter AFC control threshold value [- side] = 0: Threshold value Low (sensitive to
0
0
0
0
0
0
0
0 interference Δf small)
* Provide hysteresis with respect to the SA44 settings.
0
0
0
0
0
0
0
1
↓
1
1
1
1
1
1
1
0
1
1
1
1
1
1
1
1 IF Filter AFC control threshold value [- side] = 255: Threshold value high (sensitive to
interference Δf large)
SA46. Reserved
D7
D6
D5
D4
D3
D2
D1
D0
-
-
-
-
-
-
-
-
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
System reserved area
Function
No.A1709-58/68