TDA7546 Datasheet, PDF (48/68 Pages) STMicroelectronics – Multichip module for TMC tuner applications

Software specifications
TDA7546
Table 29. Addr 20 tank adjust
MSB
d7 d6 d5 d4 d3 d2
0
0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
-
-
-
-
1
1
1
1
LSB
d1 d0
0
0 has to be set
10.7MHz 0pF
10.7MHz 0.55pF
10.7MHz 1.1pF
10.7MHz 1.65pF
-
10.7MHz 8.25pF
Function
Table 30. Addr 21 I/Q mixer1 adjust
MSB
LSB
d7 d6 d5 d4 d3 d2 d1 d0
Function
0 0 0 0 -7°
0 0 0 1 -6°
0 0 1 0 -5°
-
-
-
--
0 1 1 1 0°
1 0 0 0 +1°
1 0 0 1 +2°
-
-
-
--
1 1 1 1 +8°
00
0%
01
-1%
10
+1%
11
x
0
1
0%
not used
Overdeviation correction current max=45μA
Overdeviation correction current max=90μA
Table 31. Addr 22 test control 1
MSB
d7 d6 d5 d4 d3 d2
x
x
x
x
x
x
LSB
d1 d0
Function
x
x Only for testing ( have to be set to 0)
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