Datasheet

LM49450
www.ti.com SNAS440D –FEBRUARY 2008–REVISED MAY 2013
LOUDSPEAKER VOLUME CONTROL REGISTER (0x08h)
Default value is 0x00h.
Table 17. Loudspeaker Volume Control Register
Bit Name Value Description
B7:B5 RESERVED X UNUSED
LS4 (B4)
LS3 (B3)
See Headphone Volume Control Controls gain/attenuation of the audio signal in the
B4:B0 LS2 (B2)
Table loudspeaker path.
LS1 (B1)
LS0 (B0)
VOLUME
LS4 LS3 LS2 LS1 LS0 LS GAIN (dB)
STEP
1 0 0 0 0 0 –53
2 0 0 0 0 1 –42
3 0 0 0 1 0 –34.5
4 0 0 0 1 1 –28.5
5 0 0 1 0 0 –24
6 0 0 1 0 1 –21
7 0 0 1 1 0 –18
8 0 0 1 1 1 –15
9 0 1 0 0 0 –12
10 0 1 0 0 1 –9
11 0 1 0 1 0 –7.5
12 0 1 0 1 1 –6
13 0 1 1 0 0 –4.5
14 0 1 1 0 1 –3
15 0 1 1 1 0 –1.5
16 0 1 1 1 1 0
17 1 0 0 0 0 1.5
18 1 0 0 0 1 3
19 1 0 0 1 0 4.5
20 1 0 0 1 1 6
21 1 0 1 0 0 7.5
22 1 0 1 0 1 9
23 1 0 1 1 0 10.5
24 1 0 1 1 1 12
25 1 1 0 0 0 13.5
26 1 1 0 0 1 15
27 1 1 0 1 0 16.5
28 1 1 0 1 1 18
29 1 1 1 0 0 19.5
30 1 1 1 0 1 21
31 1 1 1 1 0 22.5
32 1 1 1 1 1 24
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