TDA7529 Datasheet, PDF (46/60 Pages) STMicroelectronics – RF front-end for AM/FM DSP car-radio with IF sampling

Registers description
TDA7529
6.1.14 PLL test (13)
Table 39. PLL test (13)
MSB
LSB
D₇ D₆ D₅ D₄ D₃ D₂ D₁ D₀
X
X
1
0
PLL test
Set to default
0
1
PFD
default
0
PFD polarity
Function
6.1.15 Misc 2 (14)
Table 40. Misc 2 (14)
MSB
LSB
D₇ D₆ D₅ D₄ D₃ D₂ D₁ D₀
Function
VCO magnitude
0
0 1V
0
1 2V
1
0 3V
1
1 4V
0
0
0
1
1
0
1
1
Oscillation frequency of RC oscillator
0.68 MHz
1.31 MHz
1.92 MHz
2.49 MHz
IFAMP current control
0
Normal bias
1
High current mode bias
Reg48sel
0
ShAGC and ShPLL on D48<1:0>
1
MaskMetal and MaskSet on D48<1:0>
EnSMOOTH
0
Smooth disabled
1
Smooth enabled
IFAGC control when IN4 selected
0
Normal
1
Thresholds shift
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