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    • 1. 发明申请
    • OPTICAL DISC RECORDING AND REPRODUCING SEMICONDUCTOR INTEGRATED CIRCUIT AND OPERATING METHOD THEREOF
    • 光盘记录和再生半导体集成电路及其工作方法
    • US20120236699A1
    • 2012-09-20
    • US13411586
    • 2012-03-04
    • Tomokazu YokoyamaMisuzu Mochizuki
    • Tomokazu YokoyamaMisuzu Mochizuki
    • G11B20/18G11B27/36
    • G11B20/1833G11B20/1866G11B2220/2541
    • A semiconductor integrated circuit is equipped with a reproduction ECC circuit, a recording ECC circuit, a host interface circuit, and a memory control circuit. The memory control circuit includes an arbitration circuit and a count circuit. The arbitration circuit arbitrates ECC access with a priority order higher than the access of a host interface with a host apparatus. The count circuit counts the number of output times of the ECC request, and, when the count reaches a prescribed number, the count circuit generates a count termination signal. The arbitration circuit performs switching of priority orders to arbitrate the host with a priority order higher than that of ECC. The prescribed number corresponds to number of output times of the ECC access request necessary for accessing a semiconductor memory in relation to data of one ECC block or of an integral multiple of the one ECC block.
    • 半导体集成电路配备有再现ECC电路,记录ECC电路,主机接口电路和存储器控制电路。 存储器控制电路包括仲裁电路和计数电路。 仲裁电路以比主机设备的主机接口的访问更高的优先顺序仲裁ECC访问。 计数电路对ECC请求的输出次数进行计数,当计数达到规定数时,计数电路生成计数终止信号。 仲裁电路执行优先级顺序的转换,以优先顺序对ECC主机进行仲裁。 规定数量对应于与一个ECC块的数据或一个ECC块的整数倍相关的访问半导体存储器所需的ECC访问请求的输出次数。
    • 8. 发明申请
    • STORAGE CONTROL SYSTEM AND CONTROL METHOD FOR STORAGE CONTROL SYSTEM
    • 存储控制系统存储控制系统及其控制方法
    • US20080177906A1
    • 2008-07-24
    • US11968207
    • 2008-01-02
    • Hiroshi SUZUKIHiromi MatsushigeTetsuya InoueMasato OgawaTomokazu Yokoyama
    • Hiroshi SUZUKIHiromi MatsushigeTetsuya InoueMasato OgawaTomokazu Yokoyama
    • G06F3/00
    • G06F11/201G06F11/2005
    • A storage control system of the present invention can carry out settings for a storage device using redundantly configured access channels. A controller of the storage control system can access a storage device using a plurality of access channels of system A and system B. Respective I/F control units each comprise a plurality of normally open-type switches. The switches of system A and the switches of system B are respectively wired-OR connected. A disk control unit outputs a control signal to an I/F control unit on the basis of a setting table. When a failure occurs in an I/F control unit of system A, the output signals of the respective switches transfer to a high-impedance state. Therefore, a storage device can be set by outputting, from an I/F control unit of system B, a signal corresponding to a desired operational mode and identification information.
    • 本发明的存储控制系统可以使用冗余配置的访问信道来执行存储设备的设置。 存储控制系统的控制器可以使用系统A和系统B的多个存取通道访问存储设备。各个I / F控制单元各自包括多个常开型开关。 系统A的开关和系统B的开关分别与线或线连接。 盘控制单元根据设定表将控制信号输出到I / F控制单元。 当在系统A的I / F控制单元发生故障时,各开关的输出信号转移到高阻抗状态。 因此,可以通过从系统B的I / F控制单元输出与期望的操作模式和识别信息对应的信号来设置存储装置。