Switch settings, Electret microphone select switch (sw6), Switch settings -9 – Analog Devices EZ-KIT Lite ADSP-21364 User Manual

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ADSP-21364 EZ-KIT Lite Evaluation System Manual

2-9

ADSP-21364 EZ-KIT Lite Hardware Reference

Switch Settings

Figure 2-4

shows the location and default settings of the EZ-KIT Lite

switches.

Electret Microphone Select Switch (SW6)

To connect an electret microphone to the audio input, place all positions
of the

SW6

switch

. The default position of this switch is all

OFF

. When

all of the positions are

, a DC offset of 2.5V is added to the signal, and

gain of the input amplifiers is changed from 1x to 10x.

Figure 2-4. DIP Switch Locations and Default Settings