1. A reconfigurable array control method, the method comprising: suspending an operation in a reconfigurable array when an interrupt request occurs during execution of the operation by the reconfigurable array; storing register values of at least one register for select processing units of the reconfigurable array to be used for handling the interrupt request; executing an interrupt service with the select processing units in response to the interrupt request; and resuming the operation in the reconfigurable array after restoring the register values to the at least one register.