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TDA7541W bảng dữ liệu(PDF) 44 Page - STMicroelectronics

tên linh kiện TDA7541W
Giải thích chi tiết về linh kiện  AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
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TDA7541W bảng dữ liệu(HTML) 44 Page - STMicroelectronics

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Software specification
TDA7541
44/76
5.2
Control register function
Table 14.
I2C control bit description
Register
Name
Function
ACF
Adjacent channel detector filter select
ACMD
Adjacent channel mute depth
ACMTH
Adjacent channel mute threshold
ACTH
Adjacent channel detector threshold
AINENA
AM IF noise blanker enable
AINT
AM IF noise blanking time
AINTH
AM IF noise blanker threshold
AMCF
Stereo decoder attenuation @ 3.5kHz
AMD
AM VCO predivider
ASFC
Alternative station frequency check in FM (AGC and weak signal mute on hold)
ASI
Audio signal inversion
BWDEF
Enables bit ISSBW for ISS bandwidth control
DAGC
AM narrow band AGC threshold
DEEMP
Stereo decoder deemphasis
DSB
FM demodulator spike blanker
DTH
Deviation detector threshold for ISS filter “OFF”
DWTH
Deviation detector threshold for ISS filter 120KHz
EW
IF counter frequency error window
EWEXP
Expanded IF counter error window
FMON
Internal switch FM-AM mode
FSWO
Weighted fieldstrength with offset adjust
HCENA
High cut enable
HCHT
Start level high cut
HCLT
Stop level high cut
HCMAX
Maximum high cut depth
ICP
Charge pump current tuner PLL
IF1G
IF1 Amplifier Gain
IF2A
IF2 LC band pass fine adjust
IF2Q
IF2 LC band pass quality adjust
IFAGC
FM/AM IF AGC threshold
IFAGCS
AM IFAGC threshold shift
IFS
IF counter sampling time



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