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    • 81. 发明专利
    • Unit and method for clock control over memory controller
    • 用于存储器控制器的时钟控制的单元和方法
    • JP2003308246A
    • 2003-10-31
    • JP2002114295
    • 2002-04-17
    • Fujitsu Ltd富士通株式会社
    • KYO REI
    • G06F12/00G06F1/32G06F12/06
    • G06F1/3275G06F1/3203Y02D10/13Y02D10/14Y02D50/20
    • PROBLEM TO BE SOLVED: To realize power-saving control over an SDRAM and a memory controller internal circuit as for a memory controller for an SDRAM for a real-time processing application using a method of macroaccess. SOLUTION: A clock control unit of the memory controller is equipped with an interface part 12 which processes block access to a plurality of banks of the SDRAM 20 inputted to the memory controller 10 from outside as one continuous access process to arbitrate the macroaccess and a power-saving control part which controls a clock signal of the internal circuit 14 of the memory controller 10 and a clock enable signal of the SDRAM 20 according to a control signal inputted from the interface part 12. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:使用宏处理方法,实现对SDRAM和存储器控制器内部电路的功率控制,以及用于实时处理应用的SDRAM的存储器控​​制器。 解决方案:存储器控制器的时钟控制单元配备有接口部分12,其从外部处理从存储器控制器10输入到SDRAM 20的多个存储体的块访问作为一个连续访问过程来仲裁宏访问 以及根据从接口部12输入的控制信号来控制存储器控制器10的内部电路14的时钟信号和SDRAM20的时钟使能信号的省电控制部。COPYRIGHT :( C )2004,JPO