TDA7541B Datasheet, PDF(43/77 Page) STMicroelectronics – AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system

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TDA7541B Datasheet, PDF (43/77 Pages) STMicroelectronics – AM/FM car radio tuner IC with stereo decoder and intelligent selectivity system

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TDA7541B

Software specification

5.2

Address organization

Table 14. Address organization

Function

Addr D7

T PLL charge pump 0

T PLL counter

SEEK

PC7

PC15

ASFC

PC6

PC14

PC5

PC13

SDM

PC4

PC12

LDENA

PC3

PC11

ICP2

PC2

PC10

ICP1

PC1

PC9

ICP0

PC0

PC8

T TV

T TV/IF counter

T PLL divider

3 TVO7 TVO6 TVO5 TVO4 TVO3 TVO2 TVO1 TVO0

4 FMON EW6 EW5

IFS4

IFS3 ISSENA TVM

TVO+

5 AMD7 AMD6 RC5

RC4

RC3 VCOD2 VCOD1 VCOD0

T AGC

T Quality AC

T Quality ACM/MP

6 LNA7 LNA6 DAGC5 DAGC4 IFAGC3 IFAGC2 RFAGC1 RFAGC0

7 TISS7 TISS6 TISS5 ACTH4 ACTH3 ACF BWDEF ISSBW

8 MPTH7 MPTH6 MPAC MPENA ACMD ACMTH2 ACMTH1 ACMTH0

T Quality DEV

T Quality MUX/FSU 10

T Weak signal mute 11

ISSM

SSTH7

WMD7

DTH6

SSTH6

WMD6

DTH5

SSTH5

WMD5

DWTH4 DWTH3

SSTH4 SACCT

WMTH4 WMTH3

TDEV2

SACCE

WMTH2

TDEV1

MUX1

WBON

TDEV0

MUX0

ISSON

T AM IF NB

T XTAL adjust

T IF adjust

12 IFAGCS AINT6

13 SL7

SL6

14 IF1G7 IF1G6

AINT5

SL5

IF2Q5

AINTH4

XTAL4

IF2Q4

AINTH3

XTAL3

IF2A3

AINTH2

XTAL2

IF2A2

AINTH1

XTAL1

IF2A1

AINENA

XTAL0

IF2A0

T IQ adjust/Switch

T FM keying AGC

SD Roll off

15 DSB7 DSB6

16 FSWO7 FSWO6

17 LG7

LG6

SWM

RFK

LG5

KAGC4

LG4

PH3

KAGC3

ROC3

PH2

KAGC2

ROC2

PH1

ODCUR

ROC1

PH0

ODENA

ROC0

SD Stereo blend

SD High cut

SD MP

18 AMCF7 AMCF6 AMCF5 ASI

PTH SBC2 SBC1 SBC0

19 DEEMP HCLT6 HCLT5 HCHT4 HCHT3 HCMAX2 HCMAX1 HCENA

20 MS MPFAST MPINT MPCC MPRG3 MPRG2 MPG1 MPG0

SD quality

SD Audio NB I

SD Audio NB II

21 NBFC7 NBFC6 NBDC5 NBDC4 QNG3 QNG2 QDC1 QDC0

22 NBCT7 NBCT6 NBLT5 NBLT4 NBLT3 NBT2 NBT1 NBENA

23 ADSEL PCM VCON NBSMP NBMP NBRR2 NBRR1 NBPC

SD Testing

T PLL/IFC Testing 25 EWEXP IFSEXP

T Testing

Not used

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.

Doc ID 16048 Rev 1

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