TDA7512 Datasheet, PDF (29/42 Pages) STMicroelectronics – AM/FM CAR RADIO TUNER IC WITH INTELLIGENT SELECTIVITY SYSTEM ISS

TDA7512
2.3.11 Addr 11 Quality Deviation Detection
Table 19.
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
Function
0
0
0 charge current 34µΑ, discharge current 6µΑ
0
0
1 charge current 32µΑ, discharge current 8µΑ
0
1
0 charge current 30µΑ, discharge current 10µΑ
0
1
1 charge current 28µΑ, discharge current 12µΑ
-
-
--
1
1
1 charge current 20µΑ, discharge current 20µΑ
00
DEV threshold for ISS narrow/wide 30kHz
01
DEV threshold for ISS narrow/wide 45kHz
10
DEV threshold for ISS narrow/wide 60kHz
11
DEV threshold for ISS narrow/wide 75kHz
00
DEV threshold for ISS filter “OFF” ratio 1.5
01
DEV threshold for ISS filter “OFF” ratio 1.4
10
DEV threshold for ISS filter “OFF” ratio 1.3
11
DEV threshold for ISS filter “OFF” ratio 1
0
Disable ISS filter to fixed bandwith (ISS80) in automatic control
1
Enable ISS filter to fixed bandwith (ISS80) in automatic control
2.3.12 Addr 12 Softmute Control 1
Table 20.
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
Function
0
0
0 Startpoint mute 0 in application about 3dBµV antenna level
0
0
1 Startpoint mute 1in application about 4dBµV antenna level
-
-
--
1
1
1 Startpoint mute 7in application about 10dBµV antenna level
0000
Mute depth 0 in application 18dB
0001
Mute depth 1 in application 20dB
0010
Mute depth 2 in application 22dB
0011
Mute depth 3 in application 24dB
-
-
-
-
- (logarithmically behaviour)
1111
Mute depth 15 in application 36dB
0
Mute disable
1
Mute enable
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