27
© Sealevel Systems, Inc. 12000 Manual | SL9245 10/2021
HDA Audio
The HD Audio is implemented with an IDT 92HD73C Codec and available on two 3.5mm Stereo Audio Jacks.
The Lower Jack (closest to the PCB) is Line level output. The Upper Jack (farthest from the PCB) is Line
level input.
Upper/Lower
Contact
Name
Mode
Upper
Tip
Line In Left
Input
Upper
Ring
Line In Right
Input
Upper
Sleeve
Audio GND
Shield
Lower
Tip
Line Out Left
Output
Lower
Ring
Line Out Right
Output
Lower
Sleeve
Audio GND
Shield