WM8918 Datasheet, PDF (30/176 Pages) Cirrus Logic – Ultra Low Power DAC for Portable Audio Applications

WM8918
REGISTER BIT
LABEL
ADDRESS
R46 (2Eh)
5:4
L_IP_SEL_N [1:0]
Analogue
Left Input 1
3:2
L_IP_SEL_P [1:0]
1:0
L_MODE [1:0]
R47 (2Fh)
Analogue
Right Input
1
5:4
R_IP_SEL_N [1:0]
3:2
R_IP_SEL_P [1:0]
1:0
R_MODE [1:0]
Table 2 Input PGA Mode Selection
DEFAULT
Production Data
DESCRIPTION
00
In Single-Ended or Differential Line
Modes, this field selects the input pin
for the inverting side of the left input
path.
In Differential Mic Mode, this field
selects the input pin for the non-
inverting side of the left input path.
00 = IN1L
01 = IN2L
1X = Reserved
01
In Single-Ended or Differential Line
Modes, this field selects the input pin
for the non-inverting side of the left
input path.
In Differential Mic Mode, this field
selects the input pin for the inverting
side of the left input path.
00 = IN1L
01 = IN2L
1X = Reserved
00
Sets the mode for the left analogue
input:
00 = Single-Ended
01 = Differential Line
10 = Differential MIC
11 = Reserved
00
In Single-Ended or Differential Line
Modes, this field selects the input pin
for the inverting side of the right input
path.
In Differential Mic Mode, this field
selects the input pin for the non-
inverting side of the right input path.
00 = IN1R
01 = IN2R
1X = Reserved
01
In Single-Ended or Differential Line
Modes, this field selects the input pin
for the non-inverting side of the right
input path.
In Differential Mic Mode, this field
selects the input pin for the inverting
side of the right input path.
00 = IN1R
01 = IN2R
1X = Reserved
00
Sets the mode for the right analogue
input:
00 = Single-Ended
01 = Differential Line
10 = Differential MIC
11 = Reserved
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PD, Rev 4.1, January 2012
30