PRODUCT USER GUIDE
Introduction ...................................................................................... 4
1.
1.1
General Description .......................................................................................................... 4
2.
2.1
2.2
Hardware Features ............................................................................ 8
3.
3.1
Features Description ........................................................................................................ 8
4.
4.1
Microcontroller ............................................................................................................... 10
4.2
Power supply .................................................................................................................. 10
4.3
Audio ............................................................................................................................... 13
4.4
Buttons ............................................................................................................................ 14
4.5
RGB LED ........................................................................................................................... 14
4.6
SD card ............................................................................................................................ 15
4.7
Extension connectors ...................................................................................................... 16
4.8
RTC ................................................................................................................................... 26
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INDEX
Product Name
Version
Doc No
Date
Page
EK-AI7933CLD
A
912-13903
2022/04/29
2 /26