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TDA7540N датащи(PDF) 47 Page - STMicroelectronics

номер детали TDA7540N
подробное описание детали  AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system (ISS)
PDF  76 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7540N датащи(HTML) 47 Page - STMicroelectronics

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TDA7540N
Software specification
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Table 17.
Addr 5 IF counter control 1
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
000
tSample = 20.48ms (FM)128ms (AM )
001
tSample = 10.24ms (FM)64ms (AM )
010
tSample = 5.12ms (FM)32ms (AM )
011
tSample = 2.56ms (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 )
0
IF counter disable / stand by
1
IF counter enable
00
Not valid
0
1
IF counter FM mode
1
0
IF counter AM mode (450KHz)
1
1
IF counter AM mode (10.7MHz)
0
Disable mute & AGC on hold in FM mode
1
Enable mute & AGC on hold in FM mode
0
Lock detector disable
1
Lock detector enable
Table 18.
Addr 6 IF counter control 2
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
00000
fCenter = 10.60625MHz (FM) / 10.689MHz ; 449KHz (AM)
00001
fCenter = 10.61250MHz (FM) / 10.690MHz ; 450KHz (AM)
recommended
-----
---
-
01011
fCenter = 10.67500MHz (FM) / 10.700MHz ; 460KHz (AM)
-----
---
-
01111
fCenter = 10.70000MHz (FM) / 10.704MHz ; 464KHz (AM)
recommended
-----
---
-
11111
fCenter = 10.80000MHz (FM) / 10.720MHz ;480KHz (AM)
000
Not valid
001
Not valid



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