Open-Q™ 624A Development Kit
Open-Q™ 624A Development Kit User Kit
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3.8.12
Audio Input Expansion Header J50
Figure 14 Audio Input Expansion Header J50
This 40-pin expansion header provides the following audio inputs/outputs:
•
4 digital mic channels (supports 8 mics)
•
4 analog mics
•
Voltage rails to support analog and digital mics
•
2 single ended analog audio line out
•
3 GPIO’s
*Note, availability of DMICs on this header depends on configuration of DIP Switch S10. See section 3.8.2 for
more details. To use DMICs on this header, on-board DMICs must first be disabled by setting S10 position 7
(DMIC_DISC_N) to OFF/OPEN.
The table below outlines the pin out information of the audio outputs expansion header J50:
Table 3-11 Audio Expansion Header J50 Pin out
