TDA7529 Datasheet, PDF (51/60 Pages) STMicroelectronics – RF front-end for AM/FM DSP car-radio with IF sampling

TDA7529
Registers description
6.1.24 PLL main divider (N-divider) 3 (23 / 39)
Table 49. PLL main divider (N-divider) 3 (23 / 39)
MSB
LSB
D₇ D₆ D₅ D₄ D₃ D₂ D₁ D₀
X
X
X
X
X
Divider N value
A0
A1
A2
A3
A4
Function
6.1.25 PLL Divider ratio calculation
Table 50. PLL Divider ratio calculation
M counter
M16 M15 … M7 … M1 M0 A4
A counter
A3 A2 A1
Notes
N= 32*P + A M=32
A0 N= M*P + A M>32
(P=32)
6.1.26 VCO divider (V-divider) (24 / 40)
Table 51. VCO divider (V-divider) (24 / 40)
MSB
LSB
D₇ D₆ D₅ D₄ D₃ D₂ D₁ D₀
Function
Divider V value
X V0
X
V1
X
V2
X
V3
X
V4
X
V5
X
V6
VCO range selection
0
Range 2
1
Range 1
51/60