For example if you want setting the volume at -32dB the 8 bit string is: 0 0 1 0 0 0 0 1

VOLUME

MSB

LSB

0

0

B2

B1

B0

A2

A1

A0

Volume 2dB Steps

0

0

0

0

1

1

1

1

0

0

1

1

0

0

1

1

0

1

0

1

0

1

0

1

0

-2

-4

-6

-8

Not allowed

Not allowed

Not allowed

0

0

B2

B1

B0

Volume 10dB steps

0

0

0

0

1

1

1

1

0

0

1

1

0

0

1

1

0

1

0

1

0

1

0

1

+10

0

-10

-20

-30

-40

-50

-60

SOFTWARE SPECIFICATION (continued)

DATA BYTES (detailed description)

SPEAKER ATTENUATORS

MSB

LSB

1

1

1

1

0

0

1

1

0

1

0

1

B1

B1

B1

B1

B0

B0

B0

B0

A2

A2

A2

A2

A1

A1

A1

A1

A0

A0

A0

A0

Speaker LF

Speaker RF

Speaker LR

Speaker RR

0

0

0

0

1

1

1

1

0

0

1

1

0

0

1

1

0

1

0

1

0

1

0

1

0

-2

-4

-6

-8

Not allowed

Not allowed

Not allowed

0

0

1

1

0

1

0

1

0

-10

-20

-30

For example attenuation of 24dB on speaker RF is given by: 1 0 1 10010

TDA7300

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