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TDA7427D датащи(PDF) 16 Page - STMicroelectronics

номер детали TDA7427D
подробное описание детали  AM-FM RADIO FREQUENCY SYNTHESIZER AND IF COUNTER
PDF  21 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7427D датащи(HTML) 16 Page - STMicroelectronics

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IF COUNTER REFERENCE CONTROL 2 (MSB) AND IF COUNTER MODE SELECT
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
000
00
MSB = 0
0
0
0
0
0
0
0
1
MSB = 256
0
0
0
0
0
0
1
0
MSB = 512
1
1
1
1
0
1
MSB = 15616
1
1
1
1
1
0
MSB = 15872
1
1
1
1
1
1
MSB = 16128
0
0
NOT USED IN APPLICATION MODE
0
1
IF counter FM mode
1
0
IF counter AM mode
1
1
IF counter AM 10.7MHz upconversion mode
IFCM1 IFCM0 IRC13
IRC12
IRC11
IRC10
IRC9
IRC8
Bit name
Subaddress = 07H
fosc/ftim = LSB + MSB + 1
IF COUNTER CONTROL 1
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
0
0
0
don’t use
0
0
1
don’t use
01
1
EW delta f =
±6.25kHz (FM); ±1kHz (AM; AM-UPC)
10
0
EW delta f =
±12.5kHz (FM); ±2kHz (AM; AM-UPC)
1
0
1
EW delta f =
±25kHz (FM); ±4kHz (AM; AM-UPC)
1
1
0
EW delta f =
±50Hz (FM); ±8kHz (AM; AM-UPC)
11
1
EW delta f =
±100kHz (FM); ±16kHz (AM; AM-
UPC)
X
X
X
X
don’t use
0
IF counter disabled / stand by
1
IF counter enabled
FENA
FR3
FR2
FR1
FR0
EW2
EW1
EW0
Bit name
Subaddress = 08H
TDA7427
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