nor flash驱动，可以在没有操作系统下，直接调用函数接口对flash进行读，写，擦除。 -nor flash drive, no operating system can directly call the function on the flash interface for reading, writing and erasing.

C8051 的一般端口控制 和实现对FLASH的读写-c805 port read and write control and read and write nor-flash

Micro controller A microcontroller is a small computer (SoC) on a single integrated circuit containing a processor core, memory, and programmable input/output peripherals. Program memory in the form of Ferroelectric RAM, NOR flash or OTP ROM is also