wm8350 Wolfson Microelectronics plc, wm8350 Datasheet - Page 65

• Manufacturer Part Number: wm8350
• Description: Wolfson Audioplus? Stereo Codec With Power Management
• Manufacturer: Wolfson Microelectronics plc

Production Data
w
13.4.3
R72 (48h)
Mic Input
Control
Table 21 Selecting Input Pins for the Microphone Pre-amplifiers
ADDRESS
SELECTING INPUT SIGNALS
BIT
10
0
1
2
8
9
IN1LP_ENA
IN1LN_ENA
IN2L_ENA
IN1RP_ENA
IN1RN_ENA
IN2R_ENA
LABEL
DEFAULT
1
1
0
1
1
0
Connect IN1LP pin to left channel input PGA
amplifier positive terminal.
0 = IN1LP not connected to input PGA
1 = input PGA amplifier positive terminal
connected to IN1LP (constant input impedance)
Connect IN1LN pin to left channel input PGA
negative terminal.
0 = IN1LN not connected to input PGA
1 = IN1LN connected to input PGA amplifier
negative terminal.
Connect IN2L pin to left channel input PGA
amplifier
0 = IN2L not connected to input PGA amplifier
1 = IN2L connected to input PGA amplifier
Connect IN1RP pin to right channel input PGA
amplifier positive terminal.
0 = IN1RP not connected to input PGA
1 = right channel input PGA amplifier positive
terminal connected to IN1RP (constant input
impedance)
Connect IN1RN pin to right channel input PGA
negative terminal.
0 = IN1RN not connected to input PGA
1 = IN1RN connected to right channel input
PGA amplifier negative terminal.
Connect IN2R pin to right channel input PGA
0 = IN2R not connected to input PGA amplifier
1 = IN2R connected to input PGA amplifier
DESCRIPTION
PD, June 2009, Rev 4.1
WM8350
65