Product Name
EK-AI7931LD
Version
E
Doc No
912-13802
Date
2022/11/14
Page
14 / 26
PRODUCT USER GUIDE
www.acsip.com.tw
4.4.
Buttons
The EK-AI7931LD is equipped with buttons with the following functionality.
The push buttons are shown in Figure 2 The detail of buttons can refer to Table 3.
Table 3 Buttons
Button
Name
Detail
SW1
SYSRST
Press SW1 to restart the EK-AI7931LD
SW2
Vol+
Audio volume up button
SW3
Vol-
Audio volume down button
SW4
RTC_EINT
For AI7933CLD only
SW5
Force DL mode Press SW5 to trigger strapping mode (download mode…)
4.5.
RGB LED
As Figure7. showed, the EK-AI7931LD has on-board RGB LEDs (U54/U56) which be controlled by SPIM
interface. Please note that ensure jumper J79 and J80 are connected before using RGB LED function If
you want to cascade more RGB LED, you can connect to J78
Figure 7. RGB LED
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ip
Pro
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ip
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ip
