Follow these steps to correctly retrieve your DMA DNA ID using your CH347 device.
🪛 Step 1: Connect the DMA Cable
First, connect your DMA cable to the Setup/JTAG port on your device.
Refer to the image provided for the correct port.
📥 Step 2: Install the JTAG Driver
Download and install the JTAG driver from Advantech:
🔗 Download JTAG Driver (Advantech)
- Run the installer
- Click Install when prompted
- Wait for the installation to complete
🧬 Step 3: Download DNA Tool
Download the DNA reader tool from GitHub:
🔗 Download DMA-DNA-ID (GitHub)
- Once downloaded, extract the files
- Navigate to the DNA_ID folder
🔁 Step 4: Run the Correct Batch File
✅ For 75T Users:
- Run: CH347_75T_DNA.bat
- You will see something like this:
DNA = 000110100111101001000100100100110111001101010100001010100 (0x0017f42926e6c762)
- Your DNA ID is the value in parentheses: 0x0017f42926e6c762
✅ For 35T Users:
- Run: CH347_35T_DNA.bat
- The output will look similar:
DNA = 000110100111101001000100100100110111001101010100001010100 (0x0017f42926e6c762)
- Your DNA ID is: 0x0017f42926e6c762
If you have any questions, just ask us on discord, or ask in the comments of this post.
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