TDA7529 Datasheet, PDF (47/60 Pages) STMicroelectronics – RF front-end for AM/FM DSP car-radio with IF sampling

TDA7529
Registers description
6.1.16 WAIT LOCK (15)
Table 41. WAIT LOCK (15)
MSB
LSB
D₇ D₆ D₅ D₄ D₃ D₂ D₁ D₀
Function
TEST
0
0 D18<0>
0
1 LOCK_bit
1
0 CMPout
1
1 VdivOUT
0
0
0
0
0
0
0
1
1
0
1
1
1
1
1
WAIT LOCK
0.04ms (min. value)
1ms (default value)
5.08ms (default value)
6.1.17 AGC time constant settings (16 / 32)
Table 42. AGC time constant settings (16 / 32)
MSB
LSB
D₇ D₆ D₅ D₄ D₃ D₂ D₁ D₀
Function
FM AGC decay time constant
0
0 D1
0
1 D2
1
0 D3
0
0
0
1
1
0
FM AGC attack time constant
A1
A2
A3
0
0
0
1
1
0
AM AGC time constant
T1
T2
T3
IF AGC time constant FM
0
U1
1
U2
IF AGC time constant AM
0
S1
1
S2
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