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TDA7514 Datasheet(PDF) 34 Page - STMicroelectronics

Part # TDA7514
Description  SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR
PDF  74 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7514 Datasheet(HTML) 34 Page - STMicroelectronics

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Table 23. SUBADDRESS 8 : IF Counter Control 1 and AM S.S. Threshold
Table 24. SUBADDRESS 9: If Counter Control 2
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
IF Counter frequency window
00
0
Not valid
00
1
Not valid
01
0
Not valid
01
1
∆f = 6.25kHz (FM) 1kHz (AM UPC)
10
0
∆f = 12.5kHz (FM) 2kHz (AM UPC)
10
1
∆f = 25kHz (FM) 4kHz (AM UPC)
11
0
∆f = 50kHz (FM) 8kHz (AM UPC)
11
1
∆f = 100kHz (FM) 16kHz (AM UPC)
IF counter on/off
0
IF counter disable/stand by
1
IF counter enable
Adjacent Channel programming
0
Filter 1Fc = 80kHz
1
Filter 1Fc = 100kHz
0
-
-
-
-
Filter 2Fc = 110kHz
1
Filter 2Fc = 140kHz
0-
-
-
-
Filter 1HP
1Filter 1BP
0-
-
-
-
Filter 2HP
1Filter 2BP
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
FM antenna adj (proportional to Vtuning)
0
000
0
fcenter = 10.60625MHz (FM) 449KHz (AM)
0
000
1
fcenter = 10.61250MHz (FM) 449KHz (AM)
----
-
-
-
-
-
0
101
0
fcenter = 10.66875MHz (FM) 458KHz (AM)
0
101
1
fcenter = 10.67500MHz (FM) 459KHz (AM)
0
110
0
fcenter = 10.68125MHz (FM) 460KHz (AM)
0
110
1
fcenter = 10.68750MHz (FM) 461KHz (AM)
0
111
0
fcenter = 10.69375MHz (FM) 462KHz (AM)
0
111
1
fcenter = 10.70000MHz (FM) 463KHz (AM)
1
000
0
fcenter = 10.70625MHz (FM) 464KHz (AM)
1
000
1
fcenter = 10.71250MHz (FM) 465KHz (AM)
----
-
-
-
-
-
1
111
1
fcenter = 10.80000MHz (FM) 479KHz (AM)
IF counter time windiw
000
tsample = 20.48ms (FM) 128ms (AM)
001
tsample = 10.24ms (FM) 64ms (AM)
010
tsample = 5.12ms (FM) 32ms (AM)
011
tsample = 2.568ms (FM) 16ms (AM)
100
tsample = 1.28ms (FM) 8ms (AM)
101
tsample = 640µs (FM) 4ms (AM)
110
tsample = 320µs (FM) 2ms (AM)
111
tsample = 160µs (FM) 1ms (AM)



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