Sit3051 is an interface chip used between CAN protocol controller and physical bus, and 3.3V with CAN controller Microprocessor, microcontroller (MCU) and digital signal processor (DSP) or equivalent protocol controller are used in combination, with high-speed, oblique Rate control, standby, low current turn off four working modes, common mode range up to - 7V ~ + 12V, can be used in industrial automation, control, control Sensor and drive system, motor and robot control, building and temperature control, telecommunication and base station control and status.