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TDA7512 датащи(PDF) 30 Page - STMicroelectronics

номер детали TDA7512
подробное описание детали  AM/FM CAR RADIO TUNER IC WITH INTELLIGENT SELECTIVITY SYSTEM ISS
PDF  42 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7512 датащи(HTML) 30 Page - STMicroelectronics

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2.3.13 Addr 13 Softmute Control 2
2.3.14 Addr 14 VCODIV/PLLREF
Table 21.
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0
Disable mute threshold for ISS filter “ON”
1
Enable mute threshold for ISS filter “ON”
0
0
AC mute depth 10dB
0
1
AC mute depth 8dB
1
0
AC mute depth 6dB
1
1
AC mute depth 4dB
0
0
0
0
AC mute threshold 60mV
0
0
0
1
AC mute threshold 80mV
0
0
1
0
AC mute threshold 100mV
--
--
-
0
1
1
1
AC mute threshold 340mV
1
1
1
1
AC mute “OFF”
0
AC mute filter 110KHz
1
AC mute filter 100KHz
Table 22.
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
0
0
not valid (only for testing)
0
1
VCO frequency divided by 2
1
0
VCO frequency divided by 3
1
1
original VCO frequency
0
VCO” I” signal 0 degree
1
VCO “I” signal 180 degree
1
0
0
PLL reference frequency 50KHz
1
0
1
PLL reference frequency 25KHz
1
1
0
PLL reference frequency 10KHz
1
1
1
PLL reference frequency 9KHz
0
0
0
PLL reference frequency 2KHz
0
Select FM mode
1
Select AM mode
0
Select PLL low pass filter FM
1
Select PLL low pass filter AM



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