TDA7345 查看數據表（PDF） - STMicroelectronics

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产品描述 (功能)

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TDA7345

DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SURROUND SOUND MATRIX

STMicroelectronics 

TDA7345

2) one subaddress, (with incremental bus) , with n data (data1 that concerns subaddress +1, data 2

that concerns subaddress + 2 etc.)

CHIP ADDRESS

SUBADDRESS

DATA 1 ... DATA n

MSB

LSB

MSB

LSB

MSB

S 1 0 0 0 0 0 1 0 ACK 0 A0 A1 A2 A3 X X 1 ACK 1

D94AU196

DATA

LSB

ACK P

3) more subaddress with more data

CHIP ADDRESS

SUBADDRESS

DATA 1 ... DATA n

SUBADDRESS

DATA 1 ... DATA n

MSB

LSB

MSB

LSB

MSB

S 1 0 0 0 0 0 1 0 ACK 0 A0 A1 A2 A3 X X 0 ACK 1

D94AU197

DATA

LSB

MSB

LSB

MSB

ACK 0 A0 A1 A2 A3 X X 0 ACK 1

DATA

LSB

ACK 1

DATA BYTES

FUNCTION SELECTION

FIRST BYTE (subaddress)

The first byte select the function, it is identified by the MSB = 0

MSB

A0

A1

A2

A3

0

0

0

0

X

X

X

0

1

0

0

X

X

X

0

0

1

0

X

X

X

0

1

1

0

X

X

X

0

0

0

1

X

X

X

0

1

0

1

X

X

X

0

0

1

1

X

X

X

0

1

1

1

0

X

X

0

1

1

1

1

X

X

B = 1 yes incremental bus;

B = 0 no incremental bus;

X = indifferent 0,1

LSB

B

B

B

B

B

B

B

B

B

B

SUBADDRESS

VOLUME ATTENUATION &

LOUDNESS

SURROUND & OUT &

EFFECT CONTROL

BASS

TREBLE

REC-OUT-R

REC-OUT-L

ROUT

LOUT

INPUT STAGE CONTROL

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