TDA7421 Datasheet, PDF (27/38 Pages) STMicroelectronics – AM/FM TUNER FOR CAR RADIO AND Hi-Fi APPLICATIONS

TDA7421
STATUS (subaddress 00H)
MSB
LSB
FUNCTION
S7
S6
TESTON FMMUTE
S5
FMADJ
S4
S3
FMHIGH AM
STEREO
S2
AM
SEEK/FM
RECSEEK
S1
AM/FM/
STBY
S0
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.
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