E-TDA7514 데이터 시트보기 (PDF) - STMicroelectronics
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E-TDA7514 Datasheet PDF : 74 Pages
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TDA7514
Table 71. SUBADDRESSES 25-27: ISS Filter Control Matrix
Truth table for ISSon
No adjacent channel
Weak adjacent channel
Strong adjacent channel
Truth table for ISS80
Strong field (Sm = 0)
small frequency deviation medium frequency deviation
0
0
byte 25 / bit 0
byte 25 / bit 1
1
byte 25 / bit 3
small frequency deviation medium frequency deviation
No adjacent channel
Weak adjacent channel
Strong adjacent channel
0
byte 25 / bit 5
byte 25 / bit 7
0
byte 25 / bit 6
byte 26 / bit 0
large frequency deviation
0
byte 25 / bit 2
byte 25 / bit 4
large frequency deviation
0
0
byte 26 / bit 1
Table 72.
Truth table for ISSon
Weak field (Sm = 1)
small frequency deviation medium frequency deviation
No adjacent channel
1
Weak adjacent channel
1
byte 26 / bit 2
byte 26 / bit 3
Strong adjacent channel
Truth table for ISS80
No adjacent channel
1
small frequency deviation
byte 26 / bit 6
1
medium frequency deviation
byte 26 / bit 7
Weak adjacent channel
Strong adjacent channel
byte 27 / bit 0
1
byte 27 / bit 1
byte 27 / bit 3
large frequency deviation
0
byte 26 / bit 4
byte 26 / bit 5
large frequency deviation
0
byte 27 / bit 2
byte 27 / bit 4
Table 73. SUBADDRESS 28: VSBL Generation, HC Range
MSB
D7
D6
D5
D4
D3
D2
D1
0
0
0
0
0
1
0
1
1
0
1
0
1
1
1
1
0
0
0
1
1
0
1
1
LSB
D0
0
1
0
1
0
1
0
1
FUNCTION
VSBL ("d" factor) (**)
29%
33%
38%
42%
46%
50%
54%
58%
High Cut filter range
20 kHz - 4 kHz
10 kHz - 2 kHz
4 kHz - 800 Hz
4 kHz - 800 Hz
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