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TDA7540N 데이터시트(PDF) 41 Page - STMicroelectronics

부품명 TDA7540N
상세설명  AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system (ISS)
PDF  76 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7540N 데이터시트(HTML) 41 Page - STMicroelectronics

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TDA7540N
Software specification
41/76
ACNTH
Adjacent channel narrow band threshold
ACWTH
Adjacent channel wide band threshold
AFSM
AFS influence on stereodecoder mute
AFSON
AFS Pin enable
AINBD
AM IF noise blanker desensitivity
AINBT
AM IF noise blanker threshold
AINT
AM IF noise blanking time
AMAF
AM audio filter
AMD
AM prescaler
AMCF
AM corner frequency
AMIN
AM IF1 input select
AMNBD
AM audio delay for noise blanking
AMON
AM-FM switch
AMSEEK
Set short time constant of AGC in AM seek mode
AMST
AM stereo select
APPM
Application mode quality detection
B
Charge pump low current
BWCTL
ISS filter fixed bandwith (ISS80) in automatic control
CASF
Check alternative station frequency
CF
Center frequency IF counter
CLKSEP
Clock separation (only for testing)
CTLOFF
Switch off automatic control of ISS filter
CURRH
Set current high charge pump
DAGC
AM narrow band AGC threshold
DEEMP
Stereodecoder deemphasis
DEM
Demodulator offset
DESFT
Stereodecoder deemphasis shift
DEVM
Deviation detector mode
DNB
Demodulator spike blanking threshold
DTH
Deviation detector threshold for ISS filter “OFF”
DWTH
Deviation detector threshold for ISS filter narrow/wide
EW
Frequency error window IF counter
F100K
Corner frequency of AC-mute high pass filter
FMSEEK
ISS time constant change in FM seek mode
HCON
High cut enable
Table 11.
Control register function (continued)
Register Name
Function



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