TDA7529_11 Datasheet, PDF (43/61 Pages) STMicroelectronics – RF front-end for AM/FM DSP car-radio with IF sampling

TDA7529
Registers description
6.1.8 FM AGC (7)
Table 34. FM AGC (7)
MSB
LSB
D₇ D₆ D₅ D₄ D₃ D₂ D₁ D₀
Function
Voltage output mode
0
0 _Off
-
-
-
-
-
-
0
1 N/A
1
0 Calibration mode
1
1 ^{Voltage output On}
-
-
-
0
0
0
1
-
1
0
1
1
Current output mode
Off
- _{Constant 2mA output}
Positive current output
Neg. / Pos. current output
FM AGC threshold
0
0
0
0
Mixer input level = 93dBµV (FM1) / 97dBµV (FM2)
0
0
0
1
Mixer input level = 94dBµV (FM1) / 98dBµV (FM2)
0
0
1
0
Mixer input level = 95dBµV (FM1) / 99dBµV (FM2)
0
0
1
1
Mixer input level = 96dBµV (FM1) / 100dBµV (FM2)
0
1
0
0
Mixer input level = 97dBµV (FM1) / 101dBµV (FM2)
0
1
0
1
Mixer input level = 98dBµV (FM1) / 102dBµV (FM2)
0
1
1
0
Mixer input level = 99dBµV (FM1) / 103dBµV (FM2)
0
1
1
1
-
-
-
- Mixer input level = 100dBµV (FM1) / 104dBµV (FM2)
1
0
0
0
Mixer input level = 93dBµV (FM1) / 97dBµV (FM2)
1
0
0
1
Mixer input level = 92dBµV (FM1) / 96dBµV (FM2)
1
0
1
0
Mixer input level = 91dBµV (FM1) / 95dBµV (FM2)
1
0
1
1
Mixer input level = 90dBµV (FM1) / 94dBµV (FM2)
1
1
0
0
Mixer input level = 89dBµV (FM1) / 93dBµV (FM2)
1
1
0
1
Mixer input level = 88dBµV (FM1) / 92dBµV (FM2)
1
1
1
0
Mixer input level = 87dBµV (FM1) / 91dBµV (FM2)
1
1
1
1
Mixer input level = 86dBµV (FM1) / 90dBµV (FM2)
Doc ID 13311 Rev 4
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