pl2305 chip function detail: pl2305 write the program to the chip with the program writer, will automatically erase, generally with the stc chip, the tool in the stc official website, on the right, download, with the serial port, you can use pl2305 or serial port.
The single chip microcomputer is actually a complete computer system, which includes the arithmetic, controller, memory, input and output. Because it is integrated on a single silicon chip, it is called a single chip computer. The inside of the single chip computer is to use binary machine code to work. ROM is used to write user programs because it has the characteristic of not losing power. RAM. Language required: C, or assembly, but C is more convenient.