Patent ID: 7111133
Filing Date: 2006-09-19
Classification: G06F

Abstract:
1. A control apparatus for operating with program data, the apparatus comprising: a first memory for storing program data; a second memory for storing program data; a writing means for writing data in the second memory; a first selection means for selectively outputting an output from one of the first and second memories; a control means for outputting a first address to one of the first and second memories and operating in accordance with program data output from the first selection means; the first selection means selecting the output from one of the first and second memories in accordance with the first address; the writing means enabling data to be written in the second memory when the control means is operating in accordance with the program data from the first memory; a system controller for outputting program data to the writing means and a second address for the second memory when the control means is operating in accordance with the program data from the first memory; and a second selection means for selectively outputting an address for the second memory from one of the control means and the system controller; the second selection means selecting the second address form the system controller when the control means is operating in accordance with the program data from the first memory.