wm8903 Wolfson Microelectronics plc, wm8903 Datasheet - Page 27

• Manufacturer Part Number: wm8903
• Description: Ultra Low Power Codec For Portable Audio Applications
• Manufacturer: Wolfson Microelectronics plc

Pre-Production
w
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
L_IP_SEL_N
[1:0]
L_IP_SEL_P
[1:0]
L_MODE [1:0]
R_IP_SEL_N
[1:0]
R_IP_SEL_P
[1:0]
R_MODE [1:0]
LABEL
DEFAULT
00
01
00
00
01
00
Selects input for inverting side of left
input path:
00 = IN1L
01 = IN2L
1X = IN3L
Selects input for non-inverting side of
left input path:
00 = IN1L
01 = IN2L
1X = IN3L
Sets the mode for the left analogue
input:
00 = Single-Ended
01 = Differential Line
10 = Differential MIC
11 = Reserved
Selects input for inverting side of
right input path:
00 = IN1R
01 = IN2R
1X = IN3R
Selects input for non-inverting side of
right input path:
00 = IN1R
01 = IN2R
1X = IN3R
Sets the mode for the right analogue
input:
00 = Single-Ended
01 = Differential Line
10 = Differential MIC
11 = Reserved
PP, Rev 3.1, August 2009
DESCRIPTION
WM8903
27