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PRODUCT USER GUIDE
4) For Wi-Fi and BT function AI7931LD module reserve a Wi-Fi + BT IPEX connector. Please connect
external antenna to transmit and receive RF signals.
5) U8 and U9 are on-board AMICs which can catch voice command.
6) U54/U56 are RGB LEDs and these RGB LED will be controlled by SPIM interface.
7) J28 and J87 support multifunction GPIO interface, for more detail please refer to "section 4.7".
8) J10 and J11 are audio speaker pin header which can connect 8ohm/2W speaker to achieve voice
assistant function.
2.2. Installing the FTDI drivers on Microsoft Windows
To configure the EK-AI7931LD:
1) Connect the EK-AI7931LD CON8 to the computer using a micro-USB cable.
2) Check your PC is x86 or x64 system. And download and install FTDI Windows serial port driver from
Here. (The red block showed the download file at below figure)
3) If your OS is Windows7 or 10, please open Windows Control Panel then click System and enter
Device Manager.
4) In Device Manager, navigate to Ports (COM & LPT) (see Figure 3).
5) A new COM device should appear under Ports (COM & LPT) in Device Manager, as shown in Figure 3.
Note the COMx port number of the serial communication port, this information is needed to send
command and receive logs from the COM port.
www.acsip.com.tw
Product Name
Version
Doc No
Date
Page
EK-AI7931LD
E
912-13802
2022/11/14
6 / 26
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