Title:
アクセス調停装置およびアクセス調停方法
Document Type and Number:
Japanese Patent JP4839155
Kind Code:
B2
Abstract:
When four access request origins A, B, C, and D are present, a priority table (No. 1) having a priority order of A, B, C, and D, a priority table (No. 2) having a priority order of B, D, A, and C, a priority table (No. 3) having a priority order of C, A, D, and B, and a priority table (No. 4) having a priority order of D, C, B, and A are prepared. An order of employing these tables is determined in advance in this order. A priority table next in the order to the priority table employed in last arbitration or, when a priority table at the bottom in the order is employed in last arbitration, a priority table at the top in the order is employed. Based on the priority levels defined in the employed priority table, an access request to be accepted is selected.
Inventors:
Yasunobu Horisaki
Application Number:
JP2006235509A
Publication Date:
December 21, 2011
Filing Date:
August 31, 2006
Export Citation:
Assignee:
Fujitsu Semiconductor Limited
International Classes:
G06F13/362; G06F12/00
Domestic Patent References:
| JP10228446A |
Foreign References:
| WO2006080371A1 |
Attorney, Agent or Firm:
Akinori Sakai