Patent ID: 6412023
Filing Date: 2002-06-25
Classification: G06F

Abstract:
A data processing apparatus comprising:a serial signal I/O for communicating data to/from an external storage apparatus by using serial signals via a first signal line; a control signal output for supplying a control signal for controlling the timing of transmitting said data to said external storage apparatus via a second signal line; and a synchronizing signal output for supplying a synchronizing signal of said data to said external storage apparatus via a third signal line, wherein said serial signal I/O transmits data via said first signal line in a period of time in which said control signal output supplies said control signal to said external storage apparatus and acquires a status signal indicating a state of the operation of said external storage apparatus from said external storage apparatus via said first signal line in a period of time in which said control signal output does not supply said control signal to said external storage apparatus.