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TDA7404D

2.5.3 Volume

Note 2: It is not recommended to use a gain more than 20dB for system performance reason. In general, the max. gain should be limited by

software to the maximum value, which is needed for the system.

2.5.4 Treble Programming

MSB

LSB

ATTENUATION

0

0

0

0

0

0

0

0

1

1

1

0

0

0

0

0

1

1

1

1

1

1

0

0

0

0

1

0

0

0

0

0

1

0

0

0

0

1

0

0

0

1

1

X

0

0

0

0

1

0

0

0

1

1

X

0

0

1

1

1

0

0

1

1

1

X

0

1

0

1

1

0

1

0

1

0

1

X

Gain/Attenuation

not allow

not allow

+30.0dB

+29.0dB

:

+1.0dB

0.0dB

- 1.0dB

- 2.0dB

:

-78.0dB

-79.0dB

Mute

0

1

Diffin - mode

Single ended stereo

Differential Stereo

MSB

LSB

BASS & TREBLE PROGRAMMING

0

0

0

0

0

0

0

0

1

1

1

1

1

1

1

1

0

0

0

0

1

1

1

1

0

0

0

0

1

1

1

1

0

0

1

1

0

0

1

1

0

0

1

1

0

0

1

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

0

1

Treble Steps

15dB

14dB

13dB

12dB

11dB

10dB

9dB

8dB

7dB

6dB

5dB

4dB

3dB

2dB

1dB

0dB

0

1

Mode

Cut

Boost

X

X

X

X

0

0

1

1

0

1

0

1

Treble Center Frequency

10KHz

12.5KHz

15KHz

17.5KHz