| 发明名称 |
CONTROL SYSTEM OF DIRECT MEMORY ACCESS |
| 摘要 |
PURPOSE:To reduce the execution time of instructions with DMA, by advancing each step for micro instructions even during the execution of DMA, when memory access is not performed based on microprogram. |
| 申请公布号 |
JPS53139944(A) |
申请公布日期 |
1978.12.06 |
| 申请号 |
JP19770054334 |
申请日期 |
1977.05.13 |
| 申请人 |
HITACHI LTD |
发明人 |
SAKAMAKI TSUTOMU;YAMAMOTO MAKOTO;FUJII KAZUHIRO |
| 分类号 |
G06F9/22;G06F3/00;G06F7/00;G06F13/00;G06F13/12;G06F13/28 |
主分类号 |
G06F9/22 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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