TDA7514
Table 42. SUBADDRESS 26: FM Demod Ref Frequency Test, FM AGC
MSB
LSB
FUNCTION
D7 D6 D5 D4 D3 D2 D1 D0
FM demod ref frequency divider
0
0
0 640.6 kHz
0
0
1 602.9 kHz
0
1
0 569.4 kHz
0
1
1 539.5 kHz
1
0
0 512.5 kHz
1
0
1 488.1 kHz
1
1
0 465.9 kHz (std)
1
1
1 445.7 kHz
FM WAGC starting point
0
0
0
mininum s.p.
-
-
-
-
0
1
0
std
-
-
-
-
1
1
1
maximum s.p.
FM NAGC starting point LSB (MSB is bit 6 byte 23)
0
0
minimum s.p. (with MSB = 0)
-
-
-
1
0
std (with MSB = 0)
0
0
(with MSB = 1)
-
-
-
1
1
maximum s.p. (with MSB = 1)
Table 43. SUBADDRESS 27: FM Demodulator Fine Adjust , FM Demodulator Noise Blanker
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
FM audio demodulator current adjust
0
0
0
0
0 +0 uA
0
0
0
0
1 +0.167 µA
-
-
-
-
--
0
1
1
1
1 +2.51 µA
1
0
0
0
0 -0 µA
1
0
0
0
1 -0.167 µA
1
-
-
-
--
1
1
1
1
1 -2.51 µA
FM Demodulator Noise Blanker
0
0
NB off
0
1
setting 1
1
0
setting 2
1
1
setting 3
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