| 发明名称 |
MICROCOMPUTER AND METHOD FOR CONTROLLING MEMORY ACCESS |
| 摘要 |
A memory control system includes a memory connected to a memory bus, the memory including a plurality of access areas, a memory controller connected to the memory bus, a plurality of registers corresponding to the plurality of access areas, each of the plurality of registers configured to set an access permission or prohibition for a corresponding access area, a CPU (Central Processing Unit) configured to issue a first access request for accessing one of the plurality of access areas, and a memory access controller configured to determine whether an access to the memory is permissible or prohibited using the first access request and the plurality of registers, the memory access controller outputting a second access request in accordance with a determination result. |
| 申请公布号 |
US2016147673(A1) |
申请公布日期 |
2016.05.26 |
| 申请号 |
US201615013606 |
申请日期 |
2016.02.02 |
| 申请人 |
Renesas Electronics Corporation |
发明人 |
ONO Rika;SUZUKI Hitoshi |
| 分类号 |
G06F12/14 |
主分类号 |
G06F12/14 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A memory control system comprising:
a memory connected to a memory bus, the memory including a plurality of access areas; a memory controller connected to the memory bus; a plurality of registers corresponding to the plurality of access areas, each of the plurality of registers configured to set an access permission or prohibition for a corresponding access area; a CPU (Central Processing Unit) configured to issue a first access request for accessing one of the plurality of access areas; and a memory access controller configured to determine whether an access to the memory is permissible or prohibited using the first access request and the plurality of registers, the memory access controller outputting a second access request in accordance with a determination result. |
| 地址 |
Tokyo JP |
