Open-Q 212A Development Kit
Open-Q™ 212A Development Kit User Guide
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3.8.27
DMICs
There are three pairs of DMICs on the carrier for audio recording. Please configure dip switches on the carrier
board as listed below to enable them.
Table 22 DMICs details
DMIC
Signal
Power Source
Instruction
U1601/U1602
CDC_DMIC1_CLK_SW/
CDC_DMIC1_DATA_SW
CDC_MIC_BIAS1
Set Switch S10 position 7 to ON
(Closed)
U1603/U1604
CDC_DMIC2_CLK_SW/
CDC_DMIC2_DATA_SW
CDC_MIC_BIAS3
Set Switch S10 position 7 to ON
(Closed)
U1609/U1610
624_212_DMIC0_CLK_SW/
624_212_DMIC0_DATA_SW
CDC_MIC_BIAS1
1.
Set Switch S10 position 7 to ON
(Closed)
2.
Set Switch S10 position 8 to ON
(Closed)
3.
Set Switch S1700 to ON (Closed)
U1605/U1606
Not Supported on 212A Development kit
3.8.28
DMIC/UART DEMUX Switch – S1700
S1700 controls the DMIC and UART path. See Section 3.8.27.
3.9 Accessories
3.9.1 Camera Module Accessory
A camera module is available as an optional accessory from the Lantronix online store in the Accessories
The compatible camera accessory is based on the 5MP OmniVision OV5640 sensor with YUV output and
interfaces to the development kit through the included 21cm JAE interface cable to connector J5 on the
development kit.
Figure 28 - OV5640 Camera Module