C-51 development D12 firmware programming guide, which has described the agreement on the process and address the source firmware.

Packet : 70996pdiusbd12_firmware_cn.rar filelist
PDIUSBD12_FIRMWARE_cn.pdf

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．