Last year, the Ministry of Industry and Information Technology issued Document No. 52, "Catalogue and Technical Requirements for Micro-power Short-range Radio Transmitter Equipment".
After writing to the OTP area of GD32F407ZGT6, it prompts that the writing is successful, the memory dialog box is also correct, and the reading is also correct after restarting, but the device cannot
[backcolor=rgb(222, 240, 251)]1. How to choose PCB material? [/backcolor] [backcolor=rgb(222, 240, 251)]The selection of PCB material must strike a balance between meeting design requirements and mass