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    • 4. 发明申请
    • Dynamic bus arbitration method and bus arbiter
    • 动态总线仲裁方法和总线仲裁器
    • US20050010706A1
    • 2005-01-13
    • US10766410
    • 2004-01-28
    • Cheon-Su Lee
    • Cheon-Su Lee
    • G06F13/00G06F13/36G06F13/364
    • G06F13/364
    • A method of arbitrating a system bus shared by a CPU, which is a first master device, and second and third master devices comprises storing a first bus occupancy rate for each master device and a variable bus occupancy rate. When an interrupt signal provided to the CPU is activated, a second rate for the CPU, which is a sum of the first rate for the CPU and the variable rate, and the first rates for the second and third master devices are applied to a bus arbiter. When the interrupt signal is inactivated, a third rate for the CPU, which is obtained by subtracting the variable rate from the first rate for the CPU, and the first rates for the second and third master devices are applied to the bus arbiter. A use priority of the system bus is controlled according to the rates applied to the bus arbiter.
    • 一种仲裁作为第一主设备的CPU共享的系统总线的方法以及第二和第三主设备包括存储每个主设备的第一总线占用率和可变总线占用率。 当提供给CPU的中断信号被激活时,作为CPU的第一速率和可变速率的总和的CPU的第二速率以及第二和第三主设备的第一速率被应用于总线 仲裁者。 当中断信号失效时,通过从CPU的第一速率减去可变速率而获得的CPU的第三速率和第二和第三主设备的第一速率被应用于总线仲裁器。 根据应用于总线仲裁器的速率来控制系统总线的使用优先级。
    • 5. 发明授权
    • Dynamic bus arbitration method and bus arbiter
    • 动态总线仲裁方法和总线仲裁器
    • US07096293B2
    • 2006-08-22
    • US10766410
    • 2004-01-28
    • Cheon-Su Lee
    • Cheon-Su Lee
    • G06F13/00G06F13/36G06F13/14
    • G06F13/364
    • A method of arbitrating a system bus shared by a CPU, which is a first master device, and second and third master devices comprises storing a first bus occupancy rate for each master device and a variable bus occupancy rate. When an interrupt signal provided to the CPU is activated, a second rate for the CPU, which is a sum of the first rate for the CPU and the variable rate, and the first rates for the second and third master devices are applied to a bus arbiter. When the interrupt signal is inactivated, a third rate for the CPU, which is obtained by subtracting the variable rate from the first rate for the CPU, and the first rates for the second and third master devices are applied to the bus arbiter. A use priority of the system bus is controlled according to the rates applied to the bus arbiter.
    • 一种仲裁作为第一主设备的CPU共享的系统总线的方法以及第二和第三主设备包括存储每个主设备的第一总线占用率和可变总线占用率。 当提供给CPU的中断信号被激活时,作为CPU的第一速率和可变速率的总和的CPU的第二速率以及第二和第三主设备的第一速率被应用于总线 仲裁者。 当中断信号失效时,通过从CPU的第一速率减去可变速率而获得的CPU的第三速率和第二和第三主设备的第一速率被应用于总线仲裁器。 根据应用于总线仲裁器的速率来控制系统总线的使用优先级。