TDA7512F Datasheet, PDF (32/45 Pages) STMicroelectronics – FM car-radio tuner IC with intelligent selectivity system (ISS)

Software specification
TDA7512F
Table 18. Addr 10 quality detection multipath (continued)
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
Function
-
-
-
01
-
-
- MP threshold 0.75 V
-
-
-
10
-
-
- MP threshold 1.00 V
-
-
-
11
-
-
- MP threshold 1.25 V
-
00
-
-
-
-
- Application mode 1
-
01
-
-
-
-
- Application mode 2
0
-
-
-
-
-
-
- Multipath eliminates ac
1
-
-
-
-
-
-
- Multipath eliminates ac and ac+
Table 19. Addr 11 quality deviation detection
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
Function
-
-
-
-
-
0 0 0 charge current 34 µA, discharge current 6 µA
-
-
-
-
-
0 0 1 charge current 32 µA, discharge current 8 µA
-
-
-
-
-
0 1 0 charge current 30 µA, discharge current 10 µA
-
-
-
-
-
0 1 1 charge current 28 µA, discharge current 12 µA
-
-
-
-
-
-
-
--
-
-
-
-
-
1 1 1 charge current 20 µA, discharge current 20 µA
-
-
- 00
-
-
- DEV threshold for ISS narrow/wide 30 kHz
-
-
- 01
-
-
- DEV threshold for ISS narrow/wide 45 kHz
-
-
- 10
-
-
- DEV threshold for ISS narrow/wide 60 kHz
-
-
- 11
-
-
- DEV threshold for ISS narrow/wide 75 kHz
-
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
Table 20. Addr 12 soft mute control 1
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
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Doc ID 12668 Rev 2