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TDA7421 Datasheet(PDF) 27 Page - STMicroelectronics

Part # TDA7421
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

TDA7421 Datasheet(HTML) 27 Page - STMicroelectronics

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STATUS (subaddress 00H)
MSB
LSB
FUNCTION
S7
S6
S5
S4
S3
S2
S1
S0
TESTON
FMMUTE
FMADJ FMHIGH
AM
STEREO
AM
SEEK/FM
RECSEEK
AM/FM/
STBY
AM/FM/
STBY
X
X
X
X
X
X
0
0
STAND-BY
0
0
0
0
X
0
0
1
FM ON, RECEPTION, DEEP
MUTE
0
0
0
0
X
1
0
1
FM ON, SEEK, DEEP MUTE
0
0
0
1
X
0
0
1
FM ON, RECEPTION,
SHALLOW MUTE
0
0
0
1
X
1
0
1
FM ON,SEEK SHALLOW
MUTE
0
0
1
X
X
X
0
1
FM ON FOR DEMOD
ADJUSTM, DEMOD ON
0
1
1
X
X
X
0
1
FM ON FOR DEMOD
ADJUSTMENT DEMOD
MUTED
0
X
X
X
0
0
1
0
AM ON (Japan), RECEPTION,
IFC OUT SELECTED
0
X
X
X
0
1
1
0
AM ON (Japan), SEEK, IFC
OUT SELECTED
0
X
X
X
1
0
1
0
AM ON (Japan),
RECEPTION AM STEREO
OUT SELECTED
0
X
X
X
1
1
1
0
AM ON (Japan), SEEK, AM
STEREO OUT SELECTED
0
X
X
X
0
0
1
1
AM ON (EU, US), RECEPTION,
IFC OUT SELECTED
0
X
X
X
0
1
1
1
AM ON (EU, US), SEEK, IFC
OUT SELECTED
0
X
X
X
1
0
1
1
AM ON (EU, US),
RECEPTION AM STEREO
OUT SELECTED
0
X
X
X
1
1
1
1
AM ON (EU, US), SEEK, AM
STEREO OUT SELECTED
1
X
X
PLL TEST OUTPUT ENABLED
AM TURN ON SEQUENCE AT POWER ON: it is necessary to cycle through ST-BY for a correct opera-
tion.
TDA7421
27/38



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