3: Open-Q 660 µSOM Development Kit
Open-Q™ 660 µSOM Dev Kit User Guide
38
Pin
No
Signal
Description
Pin
No
Signal
Description
19
MB_VREG_5P0
5.0V Carrier Board
Switching Regulator
20
GND
System Ground
3.7.19
Audio IO Expansion Headers 1 and 2, J2000 (9) and J2001 (7)
Figure 22. Audio IO Expansion Headers 1 and 2, J2000 and J2001
The Audio IO expansion headers J2000 and J2100 are 40-pin and 20-pin connecters that expose digital audio
related signals as described in the pinout table below.
Table 14. Audio IO Expansion Header #1 J2000 Pinout