QCC744M Evaluation Kit

Overview

The QCC744M Evaluation board features the QCC744M module, which contains a QCC744-2 SoC with 4MB of PSRAM and an external 8MB Flash chip. Qualcomm QCC74x is a tri-radio chipset integrating 1x1 Wi-Fi 6, Bluetooth 5.4, and IEEE 802.15.4 (Thread and Zigbee-ready) powered by a 32-bit RISC-V MCU up to 320 MHz, it is based on, and mostly equivalent, to the Bouffalolab BL61x Serie of chipsets.

Hardware

For more information about the Qualcomm QCC74x MCU:

Supported Features

The qcc744m_evk board supports the hardware features listed below.

on-chip / on-board
Feature integrated in the SoC / present on the board.
2 / 2
Number of instances that are enabled / disabled.
Click on the label to see the first instance of this feature in the board/SoC DTS files.
vnd,foo
Compatible string for the Devicetree binding matching the feature.
Click on the link to view the binding documentation.

Serial Port

The qcc744m_evk board uses UART0 as default serial port. It is connected to the onboard USB Serial converter and the port is used for both program and console.

Programming and Debugging

Samples

  1. Build the Zephyr kernel and the Hello World sample application:

    # From the root of the zephyr repository
west build -b qcc744m_evk samples/hello_world

  2. west flash cannot flash QCC74x MCUs at the moment. You may first acquire ‘QConn Flash’ from the Qualcomm QCC74x SDK and follow these instructions:

    • Open Qconn Flash

    • Go to tab ‘Flash Utils’

    • Select appropriate flash port and interface.

    • Reset board (press RESET, right button) while holding the BOOT (left) button to enter flash mode

    • In ‘Flash Program’, browse to bsp/board/qcc744dk/config/boot2_qcc743_isp_release_v8.1.9.bin from the SDK and set the address to 0x0

    • Press the ‘Download’ Button

    • Enter Flash mode again

    • In ‘Flash Program’, browse to zephyr.bin from your build folder and set the address to 0x2000

    • Press the ‘Download’ Button again.

    Your board is now flashed. Once the first binary has been flashed at 0x0, there is no need to re-flash it unless the flash area containing it is erased.

  3. Run your favorite terminal program to listen for output. Under Linux the terminal should be /dev/ttyACM1. For example:

    $ screen /dev/ttyACM1 115200

    Connection should be configured as follows:

    • Speed: 115200

    • Data: 8 bits

    • Parity: None

    • Stop bits: 1

    Then, press and release RESET button

    *** Booting Zephyr OS build v4.3.0 ***
Hello World! qcc744m_evk/bl618m05q2i

Congratulations, you have qcc744m_evk configured and running Zephyr.