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LV25700PM Datasheet, PDF (56/68 Pages) Sanyo Semicon Device – For Car Radio Single chip Tuner IC
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LV25700PM
SA38. Modulation Index Detection Sensitivity (- Side)
D7
D6
D5
D4
D3
D2
D1
D0
BPF_MOD_MIN_7 BPF_MOD_MIN_6 BPF_MOD_MIN_5 BPF_MOD_MIN_4 BPF_MOD_MIN_3 BPF_MOD_MIN_2 BPF_MOD_MIN_1 BPF_MOD_MIN_0
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
Function
IF filter modulation index detection threshold value [- side] = Low
0
0
0
0
0
0
0
0 * Provide hysteresis with respect to the Narrow/SA37 settings if the threshold value is
exceeded.
0
0
0
0
0
0
0
1
↓
1
1
1
1
1
1
1
0
IF filter modulation index detection threshold value [- side] = High
1
1
1
1
1
1
1
1 * Provide hysteresis with respect to the Narrow/SA37 settings if the threshold value is
exceeded.
SA39. Modulation Index Detection Operation Start Point (+ side)
D7
D6
D5
D4
D3
D2
D1
D0
BPF_SMR_MAX_7 BPF_SMR_MAX_6 BPF_SMR_MAX_5 BPF_SMR_MAX_4 BPF_SMR_MAX_3 BPF_SMR_MAX_2 BPF_SMR_MAX_1 BPF_SMR_MAX_0
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
Function
IF filter modulation index detection function OFF threshold value [+ side] = Low
Turns off the modulation detection function above a certain electric field strength
0
0
0
0
0
0
0
0
(compared with S-meter value) or stronger.
* Provide hysteresis with respect to the SA40 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 modulation index detection function OFF threshold value [+ side] = High
SA40. Modulation Index Detection Operation Start Point (- side)
D7
D6
D5
D4
D3
D2
D1
D0
BPF_SMR_MIN_7 BPF_SMR_MIN_6 BPF_SMR_MIN_5 BPF_SMR_MIN_4 BPF_SMR_MIN_3 BPF_SMR_MIN_2 BPF_SMR_MIN_1 BPF_SMR_MIN_0
MSB
LSB
D7 D6 D5 D4 D3 D2 D1 D0
Function
IF filter modulation index detection function OFF threshold value [- side] = Low
Turns off the modulation detection function above a certain electric field strength
0
0
0
0
0
0
0
0
(compared with S-meter value) or stronger.
* Provide hysteresis with respect to the SA39 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 modulation index detection function OFF threshold value [- side] = High
No.A1709-56/68
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