The AT32F421 series MCU has built-in high-speed embedded memory, which can support up to 64KB flash memory (Flash) and 16KB random access memory (SRAM), and has a built-in digital signal processor (DS
The company has a case using the STM8S003 MCU.
I have the function of using OptionBut I found that it is easy to have the problem of missing programs
I also found that after the program disappears, gd