Embedded Artists iMX RT1062 - SP13: Audio Codec

iMX RT1062 OEM Developer’s Kit - User’s Guide
Page 30
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4.14 SP13: Audio Codec
The board contains an audio codec based on WM8960. The codec is controlled via I2C and audio data
is transferred over the SAI bus with the I2S format.
The audio codec provides a mono microphone input, a stereo headphone output and an optional
speaker output (via JP4).
The audio interface is via a 3.5 mm audio jack (J23) with four conductors (TRRS) supporting stereo
sound and a microphone input. There are two types of signal allocation on the 3.5mm headphone
connector. Location of ground and the microphone input signal differs. JP7 makes it possible to
msockest
See picture below for locating relevant components.
Figure 25 – I2S Audio Codec Interface
Audio Jack Connectors
J23
Headphone Type Selector
JP7
Vertical mounting: Sleeve is ground
Horizontal mounting: Sleeve is microphone input
Illustration of
horizontal mounting
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