Specifications

Si3216
Rev. 1.0 61
Not Recommended
f
o
r N
e
w
D
e
si
g
n
s
Reset settings = 0000_0000
Register 9. Audio Gain Control
BitD7D6D5D4D3D2D1D0
Name
RXHP TXHP TXM RXM ATX[1:0] ARX[1:0]
Type R/W R/W R/W R/W R/W R/W
Bit Name Function
7RXHPReceive Path High Pass Filter Disable.
0 = HPF enabled in receive path, RHDF.
1 = HPF bypassed in receive path, RHDF.
6TXHP
Transmit Path High Pass Filter Disable.
0 = HPF enabled in transmit path, THPF.
1 = HPF bypassed in transmit path, THPF.
5TXM
Transmit Path Mute.
Refer to position of digital mute in Figure 24 on page 44.
0 = Transmit signal passed.
1 = Transmit signal muted.
4RXM
Receive Path Mute.
Refer to position of digital mute in Figure 24 on page 44.
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.