Hall current sensor capable of being repeatedly programmed and communication implementation method thereof

The invention belongs to the technical field of Hall sensors, and particularly relates to a repeatable programming Hall current sensor and a communication implementation method thereof.The repeatable programming Hall current sensor comprises a Hall sensor, a datum reference source unit, an operational amplification output unit, a programmable unit and a micro-control processing unit; the reference source unit is connected with the programmable unit and is used for converting an external current signal into an electric signal through magnetoelectric conversion, the reference source unit is connected with the programmable unit and is used for generating a reference source, the operational amplification output unit is connected with the programmable unit, and the programmable unit is used for controlling the output of the Hall current sensor and can be used for reading and writing by a user; the micro-control processing unit is connected with the programmable unit and can provide repeatable programming communica