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TDA7541 数据表(PDF) 29 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) 29 Page - STMicroelectronics

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TDA7541
Functional description
29/76
Description of I2C bits:
ISSENA
ISS filter enable
“1”: ISS filter control enabled
“0”: ISS filter is switched off (bypass of the filter, wide)
ISSON
ISS filter control mode
“1”: ISS filter is in manual control mode (switched "ON"); the bits ISSBW and WBON are
defining the bandwidth
“0”: ISS filter is in automatic control mode according to mode1/2 table
ISSBW
ISS filter band width
“1”: 80 kHz
Table 10.
ISS filter control by I2C bus
I2C control bits
Notes
0
XXXXX
ISS filter is switched off (bypass)
1
1
0
X
X
X
ISS filter is in manual control mode, Band width is 120 kHz
1
1
1
X
X
X
ISS filter is in manual control mode, Band width is 80 kHz
11
X
1
X
X
ISS filter is in manual control mode, Band width is 24 kHz
This setting must be used for weather band application
10
X
X
0
0
ISS filter is in automatic control mode
Filter activation and band width defined by control table mode1
10
X
X
1
0
ISS filter is in automatic control mode
Filter activation and band width defined by control table mode2
100
X
0
1
ISS filter is in automatic control mode
Filter activation defined by control table mode1
band width fixed to 120 kHz
100
X
1
1
ISS filter is in automatic control mode
Filter activation defined by control table mode2
band width fixed to 120 kHz
101
X
0
1
ISS filter is in automatic control mode
Filter activation defined by control table mode1
band width fixed to 80 kHz
101
X
1
1
ISS filter is in automatic control mode
Filter activation defined by control table mode2
band width fixed to 80 kHz



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