max98088 Maxim Integrated Products, Inc., max98088 Datasheet - Page 94

• Manufacturer Part Number: max98088
• Description: Stereo Audio Codec With Flexsound Technology
• Manufacturer: Maxim Integrated Products, Inc.

The IC’s receiver amplifier accepts input from the stereo DAC, the line inputs (single-ended or differential), and the MIC
inputs. Configure the mixer to mix any combination of the available sources. When more than one signal is selected, the
mixed signal can be configured to attenuate 6dB, 9dB, or 12dB.
Table 20. Receiver Output Mixer Register
Stereo Audio Codecs
with FLEXSOUND Technology
94
REGISTER
0x2A
0x28
0x29
BIT
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
3
2
1
0
0
LINE_MODE
MIXRECR
MIXRECR
MIXRECL
MIXRECL
NAME
_GAIN
_GAIN
Left Receiver Output Mixer
1xxxxxxx = Right DAC
x1xxxxxx = MIC1
xx1xxxxx = MIC2
xxx1xxxx = INA2 (INADIFF = 0) or INA2-INA1 (INADIFF = 1)
xxxx1xxx = INA1
xxxxx1xx = INB2 (INBDIFF = 0) or INB2-INB1 (INBDIFF = 1)
xxxxxx1x = INB1
xxxxxxx1 = Left DAC
Right Receiver Output Mixer
1xxxxxxx = Left DAC
x1xxxxxx = MIC1
xx1xxxxx = MIC2
xxx1xxxx = INA2 (INADIFF = 0) or INA2-INA1 (INADIFF = 1)
xxxx1xxx = INA1
xxxxx1xx = INB2 (INBDIFF = 0) or INB2-INB1 (INBDIFF = 1)
xxxxxx1x = INB1
xxxxxxx1 = Right DAC
Receiver Output Mode. Configures receive path output mode between BTL and
stereo line output.
0 = BTL
1 = Stereo line output
Right Receiver Mixer Gain Select
00 = 0dB
01 = -6dB
10 = -9dB
11 = -12dB
Left Receiver Mixer Gain Select
00 = 0dB
01 = -6dB
10 = -9dB
11 = -12dB
DESCRIPTION
Receiver Output Mixer