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TDA7421N Datasheet(PDF) 30 Page - STMicroelectronics

Part # TDA7421N
Description  AM/FM TUNER FOR CAR RADIO AND HI-FI APPLICATIONS
PDF  38 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7421N Datasheet(HTML) 30 Page - STMicroelectronics

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TDA7421N
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7.0 TUNER DATA BYTE SPECIFICATION
7.1 ADDRESS ORGANIZATION (Tuner AM/FM)
7.2 STATUS (subaddress 00H)
FUNCTION
SUBAD
MSbit
LSbit
B7
B6
B5
B4
B3
B2
B1
B0
STATUS
00H
N.U.
FMMUTE
FMADJ
AM
STEREO
SEEK
AM/FM/
STBY
AM/FM/
STBY
AM/FM/
STBY
FM STOP STATION/
FM IF AGC
01H
FAG2
FAG1
FAG0
FSS4
FSS3
FSS2
FSS1
FSS0
FM SMETER SLIDER/
AM IF2 AMP
02H
FSL4
FSL3
FSL2
FSL1
FSL0
IF2A1
IF2A0
N.U.
AM AGC1/AM STOP
STATION
O3H
ASS3
ASS2
ASS1
ASS0
AAGN1
AAGN0
AAGW1
AAGW0
IFT1/IFT2
04H
T2A3
T2A2
T2A1
T2A0
T1A3
T1A2
T1A1
T1A0
FRONT END
ADJUSTMENT
05H
ANA3
ANA2
ANA1
ANA0
RFA3
RFA2
RFA1
RFA0
FM DEMOD
ADJUSTMENT
06H
N.U.
DEM6
DEM5
DEM4
DEM3
DEM2
DEM1
DEM0
FM AUDIO MUTE
GAIN/FM IF BUFFERS/
FM SOFT MUTE
07H
FSM3
FSM2
FSM1
FSM0
FFBL1
FBL0
AUM1
AUM0
FM HOLE DETECTOR/
FM DETUNING
08H
BWM2
BWM1
BWM0
HDM4
HDM3
HDM2
HDM1
HDM0
TUNER TESTING
09H
PLLTEST
T2
T1
T0
SDDIS
BWDIS
HDDID
SMDIS
MSB
LSB
FUNCTION
S6
S5
S4
S3
S2
S1
S0
FMMUTE
FMADJ
AMSTEREO
SEEK
AM/FM/
STBY
AM/FM/
STBY
AM/FM/
STBY
0
0
0
Stand by
0
0
1
FM on
0
1
0
AM on (/6)
1
1
0
AM on (/10)
1
0
0
AM on (/8)
0
RECEPTION
1
SEEK
0
AM
AM
AM
AM IFC Out
1
AM
AM
AM
AM Stereo OUT
0
1
FM
FM
FM
FM on for demodulator
adjustment, demod on
1
1
FM
FM
FM
FM on for demodulator
adjustment, demod muted



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