发明授权
US5507026A Address-translatable graphic processor, data processor and drawing
method with employment of the same
失效
地址可翻译的图形处理器,数据处理器和绘图方法与使用相同
- 专利标题: Address-translatable graphic processor, data processor and drawing method with employment of the same
- 专利标题(中): 地址可翻译的图形处理器,数据处理器和绘图方法与使用相同
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申请号: US301016申请日: 1994-09-06
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公开(公告)号: US5507026A公开(公告)日: 1996-04-09
- 发明人: Tadashi Fukushima , Shigeru Matsuo , Shoji Yoshida , Tooru Komagawa
- 申请人: Tadashi Fukushima , Shigeru Matsuo , Shoji Yoshida , Tooru Komagawa
- 申请人地址: JPX Tokyo
- 专利权人: Hitachi, Ltd.
- 当前专利权人: Hitachi, Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX1-266142 19891016; JPX1-266143 19891016
- 主分类号: G06F12/10
- IPC分类号: G06F12/10 ; G06T1/20 ; G06F15/16
摘要:
In a graphic processing system, there are provided a main memory, a buffer containing a bit map memory for holding display data, a central processing unit for performing a data process involving a translation from a virtual address into a physical address so as to access the main memory, a graphic processor connected to the main memory and buffer, for processing data into a display form, and a system bus interface connected to the central processing unit, main memory and graphic processor, capable of exchanging the data among them. Furthermore, the graphic processing system includes a drawing processing unit connected to the system bus interface, for translating the virtual address into the physical address so as to access the main memory and to process the data, a bus arbitrator for performing arbitration between demands for using the interface given from the central processing unit and graphic processor, and a suspend circuit for asserting a signal requesting that the interface is released to the central processing unit.
公开/授权文献
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