Cited 0 time in
Cited 0 time in
프리페치 요구를 지원하는 PCI 2.2 타겟 컨트롤러 설계 및 검증
- 프리페치 요구를 지원하는 PCI 2.2 타겟 컨트롤러 설계 및 검증
- Translated Title
- Design and Verification of PCI 2.2 Target Controller to support Prefetch Request
- 현유진; 성광수
- DGIST Authors
- Issue Date
- 정보처리학회논문지. 컴퓨터 및 통신시스템, 12(7), 523-530
- PCI; PCI 2.2; Controller; Prefetch; Verification; 컨트롤러; 프리페치; 검증
- When a PCI 2.2 bus master requests data using Memory Read command, a target device may hold PCI bus without data to be transferred for long time because a target device needs time to prepare data internally. Because the usage efficiency of the PCI bus and the data transfer efficiency are decreased due to this situation, the PCI specification recommends to use the Delayed Transaction mechanism to improve the system performance. But the mechanism cann't fully improve performance because a target device doesn't know the exact size of prefetched data. In the previous work, we propose a new method called Prefetch Request when a bus master intends to read data from the target device. In this paper, we design PCI 2.2 controller and local device that support the proposed method. The designed PCI 2.2 controller has simple local interface and it is used to convert the PCI protocol into the local protocol. So the typical users, who don't know the PCI protocol, can easily design the PCI target device using the proposed PCI controller. We propose the basic behavioral verification, hardware design verification, and random test verification to verify the designed hardware. We also build the test bench and define assembler instructions. And we propose random testing environment, which consist of reference model, random generator, and compare engine, to efficiently verify corner case. This verification environment is excellent to find error which is not detected by general test vector. Also, the simulation under the proposed test environment shows that the proposed method has the higher data transfer efficiency than the Delayed Transaction about 9%.
- Related Researcher
Radar system, Radar signal processing, Automotive radar, Surveillance radar, Commercial radar, Defence radar,
There are no files associated with this item.
- Convergence Research Center for Future Automotive Technology1. Journal Articles
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.