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    • 4. 发明授权
    • Method and system for use of an embedded field programmable gate array interconnect for flexible I/O connectivity
    • 使用嵌入式现场可编程门阵列互连的灵活I / O连接方法和系统
    • US06806730B2
    • 2004-10-19
    • US10016772
    • 2001-12-10
    • Robert Thomas BailisCharles Edward KuhlmannCharles Steven LingafeltAnn Marie Rincon
    • Robert Thomas BailisCharles Edward KuhlmannCharles Steven LingafeltAnn Marie Rincon
    • G06F738
    • G06F15/7867
    • An application specific integrated circuit (ASIC) is disclosed. The ASIC comprises a standard cell, the standard cell including a plurality of logic functions. The ASIC further includes at least one FPGA interconnect coupled to at least a portion of the logic functions. The FPGA interconnect can be configured to select a particular logic function of the plurality of logic functions. An ASIC in accordance with the present invention allows “field selection” of functions that are connected to the internal bus(es) and to external I/O. In addition, functional block connections made with internal buses can be significantly wider and faster than buses brought on chip via external chip I/Os. Further, the ASIC reduces cost because selective bus connections can be made internal to the chip, thus eliminating the need for external pins. Finally, the ASIC reduces the cost of the packaged component by allowing the chip to be packaged in a lower pin count package.
    • 公开了专用集成电路(ASIC)。 ASIC包括标准单元,标准单元包括多个逻辑功能。 ASIC还包括耦合到至少一部分逻辑功能的至少一个FPGA互连。 FPGA互连可以被配置为选择多个逻辑功能的特定逻辑功能。 根据本发明的ASIC允许连接到内部总线和外部I / O的功能的“现场选择”。 此外,内部总线的功能块连接可以比通过外部芯片I / O芯片上的总线显着更宽更快。 此外,ASIC可以降低成本,因为可以在芯片内部进行选择性总线连接,因此不需要外部引脚。 最后,ASIC通过将芯片封装成较低的引脚数封装来降低封装元件的成本。
    • 5. 发明授权
    • Field programmable network processor and method for customizing a network processor
    • 用于定制网络处理器的现场可编程网络处理器和方法
    • US06754881B2
    • 2004-06-22
    • US10016346
    • 2001-12-10
    • Charles Edward KuhlmannCharles Steven LingafeltFrancis Edward Noel, Jr.Ann Marie RinconNorman Clark Strole
    • Charles Edward KuhlmannCharles Steven LingafeltFrancis Edward Noel, Jr.Ann Marie RinconNorman Clark Strole
    • G06F1750
    • G06F15/7867G06F17/5054
    • A network processor is disclosed. The network processor comprises a plurality of standard cells; and at least one field programmable gate array (FPGA) cell that can communicate with at least one of the standard cells. The at least one FPGA cell can provide a specified function based upon field programming techniques to allow for customization of the network processor. Utilizing a method and system in accordance with the present invention, a network processor can be customized to implement a variety of functions in hardware using embedded FPGA macros. The combined technology of ASIC standard cells plus FPGA cells enables fast time-to-market for new designs while optimizing cost and performance. In addition, the combined ASIC plus FPGA on a single die allows the chip developer to use proven standard cell macros for common logic and programmable cells for high-risk logic. Through a system and method in accordance with the present invention a business process is also provided whereby an ASIC customer can either submit a custom logic file to a vendor or choose from a library of functions to program into the FPGA portion of the chip.
    • 公开了一种网络处理器。 网络处理器包括多个标准单元; 以及可以与至少一个标准单元通信的至少一个现场可编程门阵列(FPGA)单元。 至少一个FPGA单元可以基于现场编程技术提供指定的功能,以允许对网络处理器的定制。 利用根据本发明的方法和系统,可以定制网络处理器以使用嵌入式FPGA宏来实现硬件中的各种功能。 ASIC标准单元与FPGA单元的组合技术可实现新设计的快速上市,同时优化成本和性能。 此外,单芯片上的组合ASIC加上FPGA允许芯片开发人员使用经验证的标准单元宏用于通用逻辑和可编程单元,用于高风险逻辑。 通过根据本发明的系统和方法,还提供了一种业务处理,其中ASIC客户可以向供应商提交自定义逻辑文件或者从功能库中选择来编程到芯片的FPGA部分。
    • 8. 发明授权
    • Method and system for use of a field programmable interconnect within an ASIC for configuring the ASIC
    • 用于ASIC内的现场可编程互连的配置方法和系统
    • US06593771B2
    • 2003-07-15
    • US10015922
    • 2001-12-10
    • Robert Thomas BailisCharles Edward KuhlmannCharles Steven LingafeltAnn Marie Rincon
    • Robert Thomas BailisCharles Edward KuhlmannCharles Steven LingafeltAnn Marie Rincon
    • G06F738
    • G06F15/7867
    • An integrated circuit comprising a standard cell is disclosed. The standard cell includes a plurality of logic functions; at least a portion of the logic functions requiring initialization. The circuit includes a field programmable gate array (FPGA) cell coupled to the at least a portion of the plurality of logic functions. The at least a portion of the plurality of logic functions are initialized by the FPGA cell. In a method and system in accordance with the present invention, an on-chip Field Programmable Gate Array (FPGA) cell is configured to implement the required application-specific function initializations. The FPGA cell could be wired directly to each of the registers within the functional blocks requiring initialization. These registers would also be wired to the processor bus allowing software access for normal operation after initialization. Access to these registers can be controlled by a simple muxing structure that allows the FPGA to have direct access to the registers when the chip initialization sequence takes place (Chip_Init signal is asserted) and allows the processor bus to have access after initialization is complete (Chip_Init signal is de-asserted).
    • 公开了一种包括标准单元的集成电路。 标准单元包括多个逻辑功能; 逻辑功能的至少一部分需要初始化。 电路包括耦合到多个逻辑功能的至少一部分的现场可编程门阵列(FPGA)单元。 多个逻辑功能的至少一部分由FPGA单元初始化。 在根据本发明的方法和系统中,片上现场可编程门阵列(FPGA)单元被配置为实现所需的应用特定功能初始化。 FPGA单元可以直接连接到需要初始化的功能块内的每个寄存器。 这些寄存器也将连接到处理器总线,允许在初始化后进行正常操作的软件访问。 这些寄存器的访问可以通过简单的多路复用结构进行控制,允许FPGA在芯片初始化序列发生时直接访问寄存器(Chip_Init信号被断言),并允许处理器总线在初始化完成后进入(Chip_Init 信号被取消断言)。