Serial bus memory and serial bus transmission system and method

The present invention relates to the technical field of serial buses for communication. Disclosed is a serial bus memory. The serial bus memory comprises a serial bus interface and a memory which are electrically connected in series, and further comprises a serial processing logical circuit electrically connected to the serial bus interface and the memory respectively. The serial bus interface comprises a first serial interface and a second serial interface. Also disclosed is a serial bus transmission system and method. According to the serial bus memory and the serial bus transmission system and method that are provided by the present invention, it is unnecessary to set addresses of slave units, serial connection orders of a plurality of slave units can be determined, and the serial connection order can automatically become the address of the slave unit.