Table of Contents
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PRODUCT USER GUIDE
Lists of Tables and Figures
Table 1 Jumper settings for system power input through USB connection ............................. 11
Table 2 Audio related function ................................................................................................. 13
Table 3 Buttons ......................................................................................................................... 14
Table 4 GPIO pin-out extension connector ............................................................................... 17
Table 5 GPIO pin multi-function definition .............................................................................. 18
Figure 1. Front view of EK-AI7931LD .......................................................................................... 4
Figure 2. Jumpers and connectors on the EK-AI7931LD ............................................................ 5
Figure 3. COM port associated with the EK-AI7931LD ............................................................... 7
Figure 4. Default power jumper plot ........................................................................................ 10
Figure 5. Power up the HDK using an AA or AAA Battery (J25) .............................................. 12
Figure 6. Audio related function ............................................................................................... 13
Figure 7. RGB LED ...................................................................................................................... 14
Figure 8. SD card slot rework .................................................................................................... 15
Figure 9. GPIO pin-out extension connectors ........................................................................... 16
www.acsip.com.tw
Product Name
Version
Doc No
Date
Page
EK-AI7931LD
E
912-13802
2022/11/14
3 / 26
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