TDA7514 datasheet(42/74 Pages) STMICROELECTRONICS

No de pièce	TDA7514

Description	SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR

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TDA7514

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Table 37. SUBADDRESS 21 : SD pin configuration, Smeter test MUXer

MSB

LSB

FUNCTION

D7

D6

D5

D4

D3

D2

D1

D0

SD pin configuration

0

IFC AND FS Stop Station (output)

0

1

IFC (output)

1

0

FS Stop Station (output)

1

test (tristate)

pin #SD used as:

output from ISS AC det

output from ISS MP detinput to

ISS AC driver

input to ISS MP driver

SMETER TEST MUXER

00

test off

00

01

AM AGC1W OFFSET

00

10

AMAGC1N OFFSET

00

11

AM AGC1UN OFFSET

0

1

0

FM MULTIPATH PEAK

00

01

FM SD THR

00

01

10

AM IF2AMP OUT

00

01

11

AM SD THR

00

10

00

FM W/KAGC OUT

0

1

0

1

not used

00

10

FM DEMODADJ OUT

00

10

11

FM DEMODADJMUTE OUT

00

11

00

INLOCK

0

1

0

1

FM SMETERISSON THR

0

1

0

FM SMETERISSON BIT

0

1

FM ISSFILTER INPUT (OUT) [if byte<16>bit<6>=1]

0

1

0

456KVCOADJ SET456 BIT

01

00

01

456KVCOADJ ENIFC BIT

0

1

0

1

0

456KVCOADJ CHECK BIT

01

00

11

456KVCOADJ Q21 BIT

01

00

FM SMETERUNFILTERED

0

1

0

1

0

1

QUAL SMETERX1

01

10

QUAL SMETER1ms

01

11

QUAL USN

01

10

00

STD NOISE

0

1

0

1

FM ADJCHMUTE REF

01

10

FM SOFMUTE REF

0

1

0

1

AM IFNBSMETERtoSD COMMAND [must put SD in tristate]

01

11

00

AM IFNB FASTRECT OUT

01

11

01

AM IFNB SLOWRECT OUT

0

1

0

AM IFNB BLANK PULSE

0

1

AM IFNB SMETDESENS THR

10

00

FM NAGC OUT

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