Si3210/Si3211/Si3212
Register 9. Audio Gain Control
Bit
D7
D6
D5
D4
D3
D2
D1
ARX[1:0]
R/W
D0
Name
Type
RXHP
R/W
TXHP
R/W
TXM
R/W
RXM
R/W
ATX[1:0]
R/W
Reset settings = 0000_0000
Bit
Name
Function
7
RXHP
Receive Path High Pass Filter Disable.
0 = HPF enabled in receive path, RHDF.
1 = HPF bypassed in receive path, RHDF.
6
5
TXHP
TXM
Transmit Path High Pass Filter Disable.
0 = HPF enabled in transmit path, THPF.
1 = HPF bypassed in transmit path, THPF.
Transmit Path Mute.
Refer to position of digital mute in Figure 23 on page 40.
0 = Transmit signal passed.
1 = Transmit signal muted.
4
RXM
Receive Path Mute.
Refer to position of digital mute in Figure 23 on page 40.
0 = Receive signal passed.
1 = Receive signal muted.
3:2
ATX[1:0]
Analog Transmit Path Gain.
00 = 0 dB
01 = –3.5 dB
10 = 3.5 dB
11 = ATX gain = 0 dB; analog transmit path muted.
1:0
ARX[1:0]
Analog Receive Path Gain.
00 = 0 dB
01 = –3.5 dB
10 = 3.5 dB
11 = Analog receive path muted.
60
Preliminary Rev. 1.11
ETC [ ETC ]
