| 摘要 |
PROBLEM TO BE SOLVED: To provide a data processing system which can map plural devices variably to the same area. SOLUTION: First information CS6- to- CS0, SW2 to SW0 and A21 to A19 that optionally select the areas obtained by fractionizing further respective areas of plural areas and 2nd information RB7 to RB0 that indicate whether or not the areas designated with the 1st information are used in every areas are inputted, when access to an area whose use is indicated with the 2nd information is detected based on the 1st information, a 1st logic means 30B makes a chip choice of a 1st storage means 31 and when the 1st logic means detects access to the unused area based on the 1st information, a 2nd logic means 30A selects the operation of a 2nd storage means 32. |
