| 基于CPLD的TMS320C6727B外设重叠地址空间解析方法的研究与实现 |
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| 引用本文： | 黄璜,田伟.基于CPLD的TMS320C6727B外设重叠地址空间解析方法的研究与实现[J].海军航空工程学院学报,2014,29(2):196-200. |
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| 作者姓名： | 黄璜 田伟 |
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| 作者单位： | [1]第二炮兵工程大学研究生管理大队,西安710025 [2]海军航空工程学院训练部,山东烟台264001 |
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| 摘 要： | 针对TMS320C6727B扩展外设无法基于其硬件资源直接访问的问题，提出了一种重叠地址解析的外设扩展方法，可满足多个外设、外设多个寄存器或端口地址的访问控制。对外设地址空间构成解析、地址映射CPLD的逻辑控制、用户程序中外设寄存器或端口的访问控制等问题，进行了详细的研究分析，并给出了寄存器或端口逻辑控制和用户程序访问的实现方法。硬件平台测试验证了利用重叠地址解析实现外设访问控制方法的可行性。
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| 关 键 词： | TMS320C6727B 地址扩展 地址解析 |
Research and Realization on the Peripherals Geminate Address Space Resolution of TMS320C6727B Based on CPLD |
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| HUANG Huang and TIAN Wei.Research and Realization on the Peripherals Geminate Address Space Resolution of TMS320C6727B Based on CPLD[J].Journal of Naval Aeronautical Engineering Institute,2014,29(2):196-200. |
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| Authors: | HUANG Huang and TIAN Wei |
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| Institution: | 1. Graduate Students Pridge of The Second Artillery Engineering University, Xi ＇an 710025, China; 2. Departmen of Training, NAAU, Yantai Shandong 264001, China) |
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| Abstract: | In allusion to the problem of unavailable direct access to the extended peripherals based on C6727 hardware resource, a method of geminate address space resolution was proposed for extended peripherals, which could fulfill the access control for multiple peripherals and it＇ s multiple registers or ports. The address space resolution, the logical control of for address mapping and the access control to the registers or ports of peripherals in user program were all researched and analyzed, and the method of logical and access control in user program to the registers or ports was provided. Hardware platform test validated the feasibility of realizing peripherals access control by geminate address space resolution. |
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| Keywords: | TMS320C6727B address extension address space resolution |
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