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Bus arbiter and bus arbitrating method 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G06F-013/00
출원번호 US-0354169 (1994-12-08)
우선권정보 JP-0002811 (1994-01-14); JP-0296827 (1994-11-30)
발명자 / 주소
  • Sato Masami (Ishikawa JPX) Goto Yuichi (Kawasaki JPX)
출원인 / 주소
  • Fujitsu Limited (Kawasaki JPX 03)
인용정보 피인용 횟수 : 61  인용 특허 : 0

초록 ▼

A plurality of priority determining units determine a bus use among a plurality of bus masters on the basis of bus request signals respectively from the bus masters and thereby generate bus grant signal. A bus request allocation unit allocates each bus request signals to one or more priority determi

대표청구항 ▼

A bus arbiter for arbitrating a bus among a plurality of bus masters based on bus request signals supplied from the bus masters and outputting a bus grant signal to a selected bus master acquiring the bus, comprising: a plurality of priority determining means for determining a priority of bus use am

이 특허를 인용한 특허 (61)

  1. Goudie, Alistair I., Arbiter for queue management system for allocating bus mastership as a percentage of total bus time.
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  2. Lee Suk Joong,KRX ; Choi Jin Kook,KRX, Arbitration apparatus using least recently used algorithm.
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  3. Michizono Masatoshi,JPX ; Muta Toshiyuki,JPX ; Odahara Koichi,JPX ; Sakurai Yasutomo,JPX ; Katoh Shinya,JPX, Arbitration circuit for arbitrating requests from multiple processors.
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  4. Dutton Drew J., Bus arbiter employing a transaction grading mechanism to dynamically vary arbitration priority.
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  5. Paluzzi, Nicholas, Bus arbiter for a data storage system.
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  6. Gulick Dale E., Bus arbiter including aging factor counters to dynamically vary arbitration priority.
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  8. Min Kyung Pa,KRX ; Lee Gye Hun,KRX, Bus arbitration system having both round robin and daisy chain arbiters.
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  9. Yakashiro Masataka,JPX, Bus control apparatus using plural allocation protocols and responsive to device bus request activity.
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  10. Date,Atsushi; Kato,Katsunori; Yokoyama,Noboru; Maeda,Tadaaki; Fujiwara,Takafumi, Bus management based on bus status.
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  11. Dutton Drew J., Computer system including a plurality of real time peripheral devices having arbitration control feedback mechanisms.
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  12. Lin, Hsing-Nan, Data transmission selection circuit and method.
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  13. Sutherland Ivan E. ; Tavrow Lee S., Fast arbiter with decision storage.
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  14. Prasadh, Ramamoorthy Guru, Integrated circuit having a bus network, and method for the integrated circuit.
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  15. Prasadh, Ramamoorthy Guru, Integrated circuit having a bus network, and method for the integrated circuit.
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  16. White, Theodore C.; Jayabharathi, Dinesh, Integrated memory controller.
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  20. Purdham, David M.; Byers, Larry L.; Artz, Andrew, Interrupt controller for prioritizing interrupt requests in an embedded disk controller.
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  21. Purdham,David M.; Byers,Larry L.; Artz,Andrew, Interrupt controller for processing fast and regular interrupts.
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  22. Kruse, Robert Earl, Method and apparatus for avoiding data bus grant starvation in a non-fair, prioritized arbiter for a split bus system with independent address and data bus grants.
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  23. Yamamoto,Hitoshi, Method and apparatus for bus arbitration capable of effectively altering a priority order.
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  24. Spaur, Michael R.; Sandoval, Raymond A., Method and system for automatic time base adjustment for disk drive servo controllers.
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  25. Spaur,Michael R.; Sandoval,Raymond A., Method and system for automatic time base adjustment for disk drive servo controllers.
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  26. Spaur,Michael R.; Sandoval,Raymond A., Method and system for collecting servo field data from programmable devices in embedded disk controllers.
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  27. Spaur,Michael R.; Sandoval,Raymond A., Method and system for collecting servo field data from programmable devices in embedded disk controllers.
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  28. Byers,Larry L.; Ricci,Paul B.; Kriscunas,Joseph G.; Desubijana,Joseba M.; Robeck,Gary R.; Spaur,Michael R.; Purdham,David M., Method and system for embedded disk controllers.
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  29. Spaur, Michael R.; Sandoval, Raymond A., Method and system for head position control in embedded disk drive controllers.
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  30. Spaur,Michael R.; Sandoval,Raymond A., Method and system for head position control in embedded disk drive controllers.
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  31. Spaur,Michael R.; Sandoval,Raymond A., Method and system for head position control in embedded disk drive controllers.
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  32. Perozo, Angel G.; Dennin, William W., Method and system for processing frames in storage controllers.
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  33. Perozo, Angel G.; Dennin, William W., Method and system for processing frames in storage controllers.
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  34. Pinvidic, Daniel R.; Datwyler, Wayne C.; Hudiono, Hunardi, Method and system for read gate timing control for storage controllers.
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  35. Pinvidic, Daniel R; Datwyler, Wayne C.; Hudiono, Hunardi, Method and system for read gate timing control for storage controllers.
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  36. Spaur, Michael R.; Kim, Ihn, Method and system for supporting multiple external serial port devices using a serial port controller in embedded disk controllers.
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  37. Spaur,Michael R.; Kim,Ihn, Method and system for supporting multiple external serial port devices using a serial port controller in embedded disk controllers.
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  38. Byers, Larry L.; Desubijana, Joseba M.; Robeck, Gary R.; Dutton, Fredarico E., Method and system for using an external bus controller in embedded disk controllers.
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  39. Byers,Larry L.; Desubijana,Joseba M.; Robeck,Gary R.; Dutton,Fredarico E., Method and system for using an external bus controller in embedded disk controllers.
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  40. Krantz, Leon A.; Campbell, Frank W., Methods and systems for arbitrating access to a disk controller buffer memory by allocating various amounts of times to different accessing units.
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  41. Chaudhari,Sunil C.; Liu,Jonathan W.; Patel,Manan; Duresky,Nicholas E., Multilevel fair priority round robin arbiter.
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  42. Perozo, Angel G.; White, Theodore C.; Dennin, William W.; Cruz, Aurelio J., Power save module for storage controllers.
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  43. Perozo,Angel G.; White,Theodore C.; Dennin,William W.; Cruz,Aurelio J., Power save module for storage controllers.
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  45. Chae,Kwan yeob, Programmable fixed priority and round robin arbiter for providing high-speed arbitration and bus control method therein.
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  46. Byers, Larry L.; Purdham, David M.; Spaur, Michael R., Servo controller interface module for embedded disk controllers.
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  47. Krantz, Leon A.; Nguyen, Kha; North, Michael J., Storage controllers with dynamic WWN storage modules and methods for managing data and connections between a host and a storage device.
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  48. Krantz, Leon A.; Nguyen, Kha; North, Michael J., Storage controllers with dynamic WWN storage modules and methods for managing data and connections between a host and a storage device.
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  49. White,Theodore C.; Dennin,William W.; Perozo,Angel G., System and method for concatenating data.
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  51. Jayabharathi,Dinesh, System and method for conducting BIST operations.
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  52. Nguyen, Kha; Wong, William C.; Jang, Mouluan; Wang, Jane X., System and method for controlling buffer memory overflow and underflow conditions in storage controllers.
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  53. White,Theodore C.; Dennin,William W.; Perozo,Angel G., System and method for padding data blocks and/or removing padding from data blocks in storage controllers.
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  54. Ricci,Paul B., System and method for performing parity checks in disk storage system.
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  55. Ricci, Paul B., System and method for performing parity checks in disk storage systems.
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  56. White, Theodore C.; Dennin, William W.; Perozo, Angel G., System and method for reading and writing data using storage controllers.
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  57. White, Theodore C.; Dennin, William W.; Perozo, Angel G., System and method for transferring data in storage controllers.
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  58. Nguyen, Huy T.; Krantz, Leon A.; Dennin, William W., System and method for transmitting data in storage controllers.
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  59. Jayabharathi, Dinesh; Dennin, William W., System and method for using TAP controllers.
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  60. Kim, Youngsik; Lee, Yun-Tae, System on a chip having a system bus, an external bus, and a bus arbiter with programmable priorities for both buses, software, and method for assigning programmable priorities.
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  61. Lambrecht J. Andrew ; Hartmann Alfred C., Variable latency and bandwidth communication pathways.
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