A.8
Audio connectors, stacked stereo jacks
The MPS3 board provides three stacked 3.5mm stereo jack connectors that connect to a stereo audio
codec. The connectors provide line
‑
level stereo input, line
‑
level stereo output, and microphone
‑
level
stereo input.
The top, blue, jack is the line
‑
in connector. The middle, green, jack is the line
‑
out connector. The bottom,
pink, jack is the microphone
‑
in connector.
When using electret microphones, use jumpers J58 (L) and J59 (R) to enable microphone bias current.
The following figure shows the three stereo jack connectors, J4.
Line-in (Blue)
Line-out (Green)
Mic-in (Pink)
Figure A-13 Stacked stereo jack connectors
Related information
2.10 Audio codec interface
on page 2-37
1.3 Location of components on the MPS3 board
A Signal descriptions
A.8 Audio connectors, stacked stereo jacks
100765_0000_04_en
Copyright © 2017–2020 Arm Limited or its affiliates. All rights
reserved.
Appx-A-86
Non-Confidential