DATA PROCESSING APPARATUS

A data processing apparatus (100) comprising a host (1) and an identification header (2), wherein the identification header (2) is connected to the host (1) by means of a connection line; an identification probe (21) is mounted on the identification header (2); the host (1) comprises a first data processing unit (12), a second data processing unit (13) and a switching unit (14); the identification probe (21) is connected to the first data processing unit (12); the first data processing unit (12) is connected to the second data processing unit (13); the switching unit (14) is connected to both the first data processing unit (12) and the second data processing unit (13); and after generating a function switching instruction, the second data processing unit (13) sends the function switching instruction to the switching unit (14), and the functions of the identification probe (21) are switched by means of the switching unit (14). The data processing device (100) realises the switching of the functions of the iden