TDA7541 Datasheet, PDF (43/76 Pages) STMicroelectronics – AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system

TDA7541
Software specification
Table 13. Address organization (continued)
Function
Addr D7
D6
D5
D4
D3
D2
D1
D0
T Weak signal mute 11 WMD7 WMD6 WMD5 WMTH4 WMTH3 WMTH2 WBON ISSON
T AM IF NB
12 IFAGCS AINT6 AINT5 AINTH4 AINTH3 AINTH2 AINTH1 AINENA
T XTAL adjust
T IF adjust
13 SL7
SL6
SL5 XTAL4 XTAL3 XTAL2
14 IF1G7 IF1G6 IF2Q5 IF2Q4 IF2A3 IF2A2
XTAL1
IF2A1
XTAL0
IF2A0
T IQ adjust/Switch 15 DSB7 DSB6 SWM
SW
PH3
PH2
PH1
PH0
T FM keying AGC 16 FSWO7 FSWO6 RFK KAGC4 KAGC3 KAGC2 ODCUR ODENA
SD Roll off
17 LG7
LG6
LG5
LG4 ROC3 ROC2 ROC1 ROC0
SD Stereo blend
SD High cut
18 AMCF7 AMCF6 AMCF5 ASI
PTH SBC2 SBC1 SBC0
19 DEEMP HCLT6 HCLT5 HCHT4 HCHT3 HCMAX2 HCMAX1 HCENA
SD MP
20 MS MPFAST MPINT MPCC MPRG3 MPRG2 MPG1 MPG0
SD quality
21 NBFC7 NBFC6 NBDC5 NBDC4 QNG3 QNG2 QDC1 QDC0
SD Audio NB I
22 NBCT7 NBCT6 NBLT5 NBLT4 NBLT3 NBT2 NBT1 NBENA
SD Audio NB II
23
SD Testing
24
PCM VCON NBSMP NBMP NBRR2 NBRR1 NBPC
T PLL/IFC Testing 25 EWEXP IFSEXP
1
1
1
1
1
1
T Testing
26
T Testing
27
T Testing
28
T Testing
29
Not used
30
Not used
31
T
Tuner
SD Stereo decoder
Data bytes which are unused or dedicated for testing only don't need to be written, because
they are set internally to FEH (power on reset condition). But if somebody it writing these
bytes they must be written to FEH, otherwise some malfunction of the chip can happen.
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