KR101098122B1 - 컴퓨터용 pci 익스프레스 클럭 제어장치 및 방법 - Google Patents
컴퓨터용 pci 익스프레스 클럭 제어장치 및 방법 Download PDFInfo
- Publication number
- KR101098122B1 KR101098122B1 KR1020040040238A KR20040040238A KR101098122B1 KR 101098122 B1 KR101098122 B1 KR 101098122B1 KR 1020040040238 A KR1020040040238 A KR 1020040040238A KR 20040040238 A KR20040040238 A KR 20040040238A KR 101098122 B1 KR101098122 B1 KR 101098122B1
- Authority
- KR
- South Korea
- Prior art keywords
- clock
- pci express
- request signal
- devices
- generator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
- G06F1/10—Distribution of clock signals, e.g. skew
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
- G06F13/4221—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus
- G06F13/423—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus with synchronous protocol
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0026—PCI express
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Information Transfer Systems (AREA)
Abstract
Description
Claims (6)
- 중앙 처리부와;상기 중앙 처리부와 데이터 버스로 연결되며 메모리 및 각 종 입/출력 장치들간의 데이터 전달 및 제어기능을 수행하는 시스템 칩셋과;각 장치들이 필요로 하는 클럭을 생성하고 전달하는 클럭 발생부와;입/출력 장치의 인터페이스를 위해 상기 클럭 발생부에 의해 클럭 온/오프 제어를 받는 둘 이상의 PCI 익스프레스 장치; 및둘 이상의 PCI 익스프레스 장치로부터 전달되는 독립적인 클럭요청신호를 감지하고 특정 PCI 익스프레스 장치로부터 클럭요청신호가 발생시 상기 클럭발생부에 전달하는 클럭요청신호 수신수단;을 포함하는 것을 특징으로 하는 컴퓨터용 PCI 익스프레스 클럭 제어 장치.
- 제 1항에 있어서,상기 클럭 발생부는 상기 클럭요청신호 수신수단과 적어도 하나 이상의 클럭요청용 핀으로 접속되어 클럭요청신호를 전달받는 것을 특징으로 하는 컴퓨터용 PCI 익스프레스 클럭 제어 장치.
- 제 1항에 있어서,상기 클럭 발생부는 상기 클럭요청신호 수신수단과의 인터페이스를 위해 인터페이스 수단으로 접속되며, 상기 인터페이스를 통해서 특정 PCI 익스프레스 장치가 클럭을 요청하는지를 확인하는 것을 특징으로 하는 컴퓨터용 PCI 익스프레스 클럭 제어 장치.
- 삭제
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040040238A KR101098122B1 (ko) | 2004-06-03 | 2004-06-03 | 컴퓨터용 pci 익스프레스 클럭 제어장치 및 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040040238A KR101098122B1 (ko) | 2004-06-03 | 2004-06-03 | 컴퓨터용 pci 익스프레스 클럭 제어장치 및 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050115391A KR20050115391A (ko) | 2005-12-07 |
KR101098122B1 true KR101098122B1 (ko) | 2011-12-26 |
Family
ID=37289318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040040238A Expired - Lifetime KR101098122B1 (ko) | 2004-06-03 | 2004-06-03 | 컴퓨터용 pci 익스프레스 클럭 제어장치 및 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101098122B1 (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100397025B1 (ko) | 1994-10-19 | 2003-11-10 | 아드밴스트 마이크로 디이바이시스 인코포레이티드 | 전력관리상태에응답하여다중클럭된회로를클럭하는클럭제어기 |
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2004
- 2004-06-03 KR KR1020040040238A patent/KR101098122B1/ko not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100397025B1 (ko) | 1994-10-19 | 2003-11-10 | 아드밴스트 마이크로 디이바이시스 인코포레이티드 | 전력관리상태에응답하여다중클럭된회로를클럭하는클럭제어기 |
Also Published As
Publication number | Publication date |
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KR20050115391A (ko) | 2005-12-07 |
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