TDA7513T_07 Datasheet, PDF (53/84 Pages) STMicroelectronics – Single chip FM/AM tuner with stereo decoder and audio processor

TDA7513T
Software specifications
Table 41. Subaddress 7: FM RF adjustment AM prescaler and seek
MSB
LSB
Function
D7 D6 D5 D4 D3 D2 D1 D0
FM RF adj (proportional to Vtuning)
0
1
1
1
1 -30%
0
1
1
1
0 -28%
-
-
-
-
-
-
-
--
0
0
0
0
1 -2%
0
0
0
0
0 -0%
1
0
0
0
0 +0%
1
0
0
0
1 +2%
-
-
-
-
-
-
-
--
1
1
1
1
0 +28%
1
1
1
1
1 +30%
AM VCO divider ratio
0
0
10
0
1
8
1
0
6
1
1
4
Seek mode
0
Seek OFF
1
Seek ON
Table 42. Subaddress 8: IF counter control 1 and AM S.S. threshold
MSB
LSB
Function
D7 D6 D5 D4 D3 D2 D1 D0
IF counter control
0
0
0 Not valid
0
0
1 Not valid
0
1
0 Not valid
0
1
1 Δf = 6.25kHz (FM) 1kHz (AM UPC)
1
0
0 Δf = 12.5kHz (FM) 2kHz (AM UPC)
1
0
1 Δf = 25kHz (FM) 4kHz (AM UPC)
1
1
0 Δf = 50kHz (FM) 8kHz (AM UPC)
1
1
1 Δf = 100kHz (FM) 16kHz (AM UPC)
0
IF counter disable/stand by
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