Title:
PROGRAM STARTING DEVICE AND ITS METHOD
Document Type and Number:
Japanese Patent JP3184178
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To easily and accurately perform access to plural program spaces mapped to plural logical address spaces.
SOLUTION: When a program space address controlling part 6 is started in an operation mode 1, a logical address space from 0000H to 3FFFH including a program start address is assigned as a program space B, and a logical address space from the upper 4000H to 7FFFH is assigned as a program space A. In an operation mode 2, the logical address space from 0000H to 3FFFH including the program start address is assigned as the program space A, and the program address space B is prevented from being present in the logical address space.
Inventors:
Yoshihiro Horiguchi
Application Number:
JP8739099A
Publication Date:
July 09, 2001
Filing Date:
March 30, 1999
Export Citation:
Assignee:
NEC IC Microcomputer System Co., Ltd.
International Classes:
G06F12/06; G06F9/06; G06F9/445; (IPC1-7): G06F9/445
Domestic Patent References:
| JP1188937A | ||||
| JP5216639A |
Attorney, Agent or Firm:
Shiroyuki Hori