wm8918 Wolfson Microelectronics plc, wm8918 Datasheet - Page 30

• Manufacturer Part Number: wm8918
• Description: Ultra Low Power Dac For Portable Audio Applications
• Manufacturer: Wolfson Microelectronics plc

WM8918
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Table 2 Input PGA Mode Selection
R46 (2Eh)
Analogue
Left Input 1
R47 (2Fh)
Analogue
Right Input
1
REGISTER
ADDRESS
BIT
5:4
3:2
1:0
5:4
3:2
1:0
R_IP_SEL_N [1:0]
L_IP_SEL_N [1:0]
R_IP_SEL_P [1:0]
L_IP_SEL_P [1:0]
R_MODE [1:0]
L_MODE [1:0]
LABEL
DEFAULT
00
01
00
00
01
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
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
Sets the mode for the left analogue
input:
00 = Single-Ended
01 = Differential Line
10 = Differential MIC
11 = Reserved
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
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
Sets the mode for the right analogue
input:
00 = Single-Ended
01 = Differential Line
10 = Differential MIC
11 = Reserved
PD, Rev 4.0, September 2010
DESCRIPTION
Production Data
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