TDA7513T_07 Datasheet, PDF (74/84 Pages) STMicroelectronics – Single chip FM/AM tuner with stereo decoder and audio processor

Software specifications
TDA7513T
Table 75. Subaddress 8: Soft mute, bass, noise blanker time
MSB
LSB
Function
D7 D6 D5 D4 D3 D2 D1 D0
I²C bus Audio Processor mute OFF (pin
1 Audio Mute controls muting: pin=0 ≥
mute ON, pin=1 ≥ mute OFF)
0
0
Soft mute transition time = 0.48ms
0
1
Soft mute transition time = 0.96ms
1
0
Soft mute transition time = 20.2ms
1
1
Soft mute transition time = 40.4ms
Base filter center frequency
0
0
0
1
1
0
1
1
1
1
0
0
0
1
1
0
1
1
60Hz
70Hz
80Hz
100Hz (if bass DC mode OFF)
150Hz (if bass DC mode ON)
Noise Blanker time
38μs
25.5μs
32μs
22μs
Table 76. Subaddress 9: Stereo decoder mute
Stereo decoder in-gain, mono, NB PEAK disch, Curr., pilot thresh, deemph
MSB
LSB
Function
D7 D6 D5 D4 D3 D2 D1 D0
Stereo Decoder Mute
high-ohmic mute, pilot hold, multipath time
0 constant short ENABLED (mute set by pin
RDS mute LOW)
high-ohmic mute, pilot hold, multipath time
1 constant short DISABLED (regardless of pin
RDS mute)
Stereo Decoder In-gain
11
10
01
00
0dB
2.5dB
4dB
5.5dB
74/84