TDA7529 Datasheet, PDF (45/60 Pages) STMicroelectronics – RF front-end for AM/FM DSP car-radio with IF sampling

TDA7529
Registers description
6.1.12 PLL control 1 (11)
Table 37. PLL control 1 (11)
MSB
LSB
D₇ D₆ D₅ D₄ D₃ D₂ D₁ D₀
Function
PLL enable
0 PLL Off
1 ^{PLL On}
Divider R enable
0
Divider R off; = div / 1
1
Divider R on
Select reference input
0
Reference frequency input = LVDS
1
Reference frequency input = Xtal
Charge pump current 800μA
0
0 µA
1
800 µA
0
0
0
0
:
:
:
:
1
1
1
1
Slope of high current CP
highest
:
lowest
6.1.13 PLL control 2 (12)
Table 38. PLL control 2 (12)
MSB
LSB
D₇ D₆ D₅ D₄ D₃ D₂ D₁ D₀
Function
Delay of high current CP
0
0
0
0 ^shortest
:
:
:
::
1
1
1
1 ^longest
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
State machine modes decode
Buffer mode
Preset
Search
AF update
Jump
Check
Load
End
Register functionality control
0
Normal/shadow mode
1
Buffer/control mode
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