TDA7342

Software specification

17/20

For example to select -47.81dB Volume the Data Byte is: 1 1 0 1 1 0 0 1

Power on RESET: All Bytes Set to 1 1 1 1 1 1 1 0

NB.

Table 12.

Volume

MSB

LSB

Function

D7

D6

D5

D4

D3

D2

D1

D0

0.31db fine attenuation steps

0

0

0db

0

1

-0.31db

1

0

-0.62db

1

1

-0.94db

1.25db coarse attenuation steps

0

0

0

0db

0

0

1

-1.25db

0

1

0

-2.5db

0

1

1

-3.75db

1

0

0

-5db

1

0

1

-6.25db

1

1

0

-7.5db

1

1

1

-8.75db

10db gain / attenuation steps

0

0

0

20db

0

0

1

10db

0

1

0

0db

0

1

1

-10db

1

0

0

-20db

1

0

1

-30db

1

1

0

-40db

1

1

1

-50db