a microcomputer c with a combined parallelein / exit iop and after each access variable access are generally rigid procedures of data exchange.according to the invention, a flexibility is achieved by the microcomputer (c) of a microprocessor p a command is passed through the supply of a status of the microcomputer c or a levy or acquisition of a einstellinformation performing or a function of the microcomputer c activation or deaktivierenden parameter set.a zustandsanzeige of the microcomputer c allows monitoring of data exchange through the microprocessor. the direction of the data transfer by a specially defined bits of zustandsanzeige controls.
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