TDA7406 Datasheet, PDF (54/64 Pages) STMicroelectronics – Car radio signal processor

I2C bus interface
TDA7406
Table 21. Stereodecoder (22) (continued)
MSB
LSB
D₇ D₆ D₅ D₄ D₃ D₂ D₁ D₀
FUNCTION
0
Forced MONO
1
MONO/STEREO switch automatically
0
1
00
01
10
11
Pilot Threshold HIGH
Pilot Threshold LOW
De-emphasis 50µs (37.5µs⁽¹⁾)
De-emphasis 62.5µs (46.9µs⁽¹⁾)
De-emphasis 75µs (56.3µs⁽¹⁾)
De-emphasis 100µs (75µs⁽¹⁾)
1. If De-emphasis-Shift enabled (Subaddr.26/Bit7 = 0)
Table 22. Noiseblanker I (23)
MSB
D₇ D₆ D₅ D₄ D₃ D₂
00
00
01
01
10
10
11
11
00
01
10
11
00
01
10
11
LSB
D₁ D₀
FUNCTION
0 Noiseblanker off
1 Noiseblanker on
0
Low Threshold 65mV
1
Low Threshold 60mV
0
Low Threshold 55mV
1
Low Threshold 50mV
0
Low Threshold 45mV
1
Low Threshold 40mV
0
Low Threshold 35mV
1
Low Threshold 30mV
Noise Controlled Threshold 320mV
Noise Controlled Threshold 260mV
Noise Controlled Threshold 200mV
Noise Controlled Threshold 140mV
Over deviation Adjust 2.8V
Over deviation Adjust 2.0V
Over deviation Adjust 1.2V
Over deviation Detector OFF
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