SI3000 Datasheet, PDF (26/36 Pages) List of Unclassifed Manufacturers – VOICEBAND CODEC WITH MICROPHONE/SPEAKER DRIVE

Si3000
Register 7. DAC Volume Control
Bit D7 D6 D5 D4 D3 D2 D1 D0
Name
TXG
SLM SRM
Type
R/W
R/W R/W
Reset settings = 0101_1100
Bit
Name
7
Reserved Read returns zero.
6:2
TXG
TX PGA Gain Control.
11111 = 12 dB
10111 = 0 dB
00000 = –34.5 dB
LSB = 1.5 dB
1
SLM
SPKR_L Mute.
0 = Mute
1 = Active
0
SRM
SPKR_R Mute.
0 = Mute
1 = Active
Function
26
Rev. 1.1