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TDA7541 数据表(PDF) 50 Page - STMicroelectronics

部件名 TDA7541
功能描述  AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system
PDF  76 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7541 数据表(HTML) 50 Page - STMicroelectronics

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Software specification
TDA7541
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Table 21.
Addr 5 TPLL Divider (FM 3Dh , AM 2Dh)
MSB
LSB
Function
d7
d6
d5
d4
d3
d2
d1
d0
VCOD<2:0>
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
RC<5:3>
0
1
1
PLL reference frequency 2 kHz
1
0
0
PLL reference frequency 9 kHz
1
0
1
PLL reference frequency 10 kHz (AM)
1
1
0
PLL reference frequency 25 kHz
1
1
1
PLL reference frequency 50 kHz (FM)
AMD<7:6>
0
0
AM VCO predivider ratio 10
0
1
AM VCO predivider ratio 8
1
0
AM VCO predivider ratio 6
1
1
AM VCO predivider ratio 4



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