Baseband Signal Processor

11

MX829 PRELIMINARY INFORMATION

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5.2.4 AUDIO ATTENUATION Register (Hex Address $13)

The five least significant bits in this register are used to set the attenuation of the audio volume control according to the

table below:

4

3

2

1

0

Audio Attenuation

00

00

0

Off

0

0

0

0

1

48.0dB

0

0

0

1

0

46.4dB

0

0

0

1

1

44.8dB

0

0

1

0

0

43.2dB

0

0

1

0

1

41.6dB

0

0

1

1

0

40.0dB

0

0

1

1

1

38.4dB

0

1

0

0

0

36.8dB

0

1

0

0

1

35.2dB

0

1

0

1

0

33.6dB

0

1

0

1

1

32.0dB

0

1

1

0

0

30.4dB

0

1

1

0

1

28.8dB

0

1

1

1

0

27.2dB

0

1

1

1

1

25.6dB

1

0

0

0

0

24.0dB

1

0

0

0

1

22.4dB

1

0

0

1

0

20.8dB

1

0

0

1

1

19.2dB

1

0

1

0

0

17.6dB

1

0

1

0

1

16.0dB

1

0

1

1

0

14.4dB

1

0

1

1

1

12.8dB

1

1

0

0

0

11.2dB

11

00

1

9.6dB

11

01

0

8.0dB

11

01

1

6.4dB

11

10

0

4.8dB

11

10

1

3.2dB

11

11

0

1.6dB

11

11

1

0dB

Note:

Bits 5, 6 and 7 should always be set to "0".