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    • 2. 发明申请
    • DATA/STROBE ENCODING SCHEME CIRCUIT AND DATA/STROBE ENCODING METHOD
    • 数据/ STROBE编码方案电路和数据/ STROBE编码方法
    • US20070258292A1
    • 2007-11-08
    • US11696012
    • 2007-04-03
    • Hideki IrisawaHiroki HiharaShuichi Moriyama
    • Hideki IrisawaHiroki HiharaShuichi Moriyama
    • G11C7/10
    • H04L7/02G11C7/1006G11C7/22G11C7/222
    • In a data/strobe encoding scheme circuit in which data and a strobe signal are transmitted through different lines, changes respectively in the data and the strobe signal are employed as clock signals for a latching operation, and the data is transmitted to a succeeding-stage circuit operating on a second clock signal. The circuit latches predetermined data by an FF circuit and passes a data pair including a signal indicating that the data has been latched and held therein as well as the latched data to the succeeding-stage circuit, activates, if assertion of a signal indicating reception of the data is received from the succeeding-stage circuit, again the FF circuit which has latched the data and has entered a stop state, and receives new data. There is provided a data/strobe encoding scheme circuit and a data/strobe encoding method, it is possible to implement a data/strobe encoding scheme circuit and a data/strobe encoding method capable of realizing a low-cost data/strobe encoding scheme which is independent of LSI device characteristics and which can be easily designed.
    • 在其中数据和选通信号通过不同的线路发送的数据/选通编码方案电路中,数据和选通信号中的分别改变被用作用于锁存操作的时钟信号,并且数据被发送到后级 电路工作在第二个时钟信号上。 电路通过FF电路锁存预定数据,并将包括表示数据被锁存和保持在其中的信号以及锁存数据的数据对传送到后级电路,如果断言指示接收到 从后级电路再次接收已经锁存数据并已进入停止状态并接收新数据的FF电路。 提供数据/选通编码方案电路和数据/选通编码方法,可以实现能够实现低成本数据/选通编码方案的数据/选通编码方案电路和数据/选通编码方法,其中 独立于LSI器件特性,可以轻松设计。
    • 3. 发明授权
    • Data/strobe encoding scheme circuit and data/strobe encoding method
    • 数据/选通编码方案电路和数据/选通编码方法
    • US08036283B2
    • 2011-10-11
    • US11696012
    • 2007-04-03
    • Hideki IrisawaHiroki HiharaShuichi Moriyama
    • Hideki IrisawaHiroki HiharaShuichi Moriyama
    • H04B3/00
    • H04L7/02G11C7/1006G11C7/22G11C7/222
    • In a data/strobe encoding scheme circuit in which data and a strobe signal are transmitted through different lines, changes respectively in the data and the strobe signal are employed as clock signals for a latching operation, and the data is transmitted to a succeeding-stage circuit operating on a second clock signal. The circuit latches predetermined data by an FF circuit and passes a data pair including a signal indicating that the data has been latched and held therein as well as the latched data to the succeeding-stage circuit, activates, if assertion of a signal indicating reception of the data is received from the succeeding-stage circuit, again the FF circuit which has latched the data and has entered a stop state, and receives new data. There is provided a data/strobe encoding scheme circuit and a data/strobe encoding method, it is possible to implement a data/strobe encoding scheme circuit and a data/strobe encoding method capable of realizing a low-cost data/strobe encoding scheme which is independent of LSI device characteristics and which can be easily designed.
    • 在其中数据和选通信号通过不同的线路发送的数据/选通编码方案电路中,数据和选通信号中的分别改变被用作用于锁存操作的时钟信号,并且数据被发送到后级 电路工作在第二个时钟信号上。 电路通过FF电路锁存预定数据,并将包括表示数据被锁存和保持在其中的信号以及锁存数据的数据对传送到后级电路,如果断言指示接收到 从后级电路再次接收已经锁存数据并已进入停止状态并接收新数据的FF电路。 提供数据/选通编码方案电路和数据/选通编码方法,可以实现能够实现低成本数据/选通编码方案的数据/选通编码方案电路和数据/选通编码方法,其中 独立于LSI器件特性,可以轻松设计。
    • 4. 发明授权
    • Temperature control circuit for central processing unit
    • 中央处理单元温控电路
    • US06510400B1
    • 2003-01-21
    • US09536149
    • 2000-03-28
    • Shuichi Moriyama
    • Shuichi Moriyama
    • G06F1500
    • G06F1/206
    • A CPU temperature control circuit is provided that can vary the clock frequency and the power source voltage of a central processing unit (CPU) while the CPU meets the operational specifications. The comparison circuit 8 compares the temperature of the CPU 1 measured by the CPU temperature sensor 2 with temperature information previously stored in the ROM 6. The CLK and power-source control circuit 9 switches the clock frequency from a high frequency to a low frequency when the temperature of the CPU 1 becomes high. Then, the CKL and power-source control circuit 9 switches the power source voltage from a high voltage to a low voltage at the time the timer 12 counts up. When the temperature of the CPU 1 becomes low, the CLK and power-source control circuit 9 switches the power source voltage from a low voltage to a high voltage. Then, the CLK and power-source control circuit 9 switches the clock frequency from a low frequency to a high frequency at the time the timer 13 counts up.
    • 提供了CPU温度控制电路,可在CPU满足操作规格的情况下改变中央处理单元(CPU)的时钟频率和电源电压。 比较电路8将由CPU温度传感器2测量的CPU 1的温度与先前存储在ROM 6中的温度信息进行比较.C CLK和电源控制电路9将时钟频率从高频切换到低频,当 CPU 1的温度变高。 然后,CKL和电源控制电路9在定时器12向上计数时将电源电压从高电压切换到低电压。 当CPU 1的温度变低时,CLK和电源控制电路9将电源电压从低电压切换到高电压。 然后,CLK和电源控制电路9在定时器13向上计数时将时钟频率从低频切换到高频。
    • 6. 发明授权
    • Cache flash controlling method for cache memory system
    • 缓存闪存控制方法
    • US5692150A
    • 1997-11-25
    • US508186
    • 1995-07-27
    • Shuichi MoriyamaKazuhisa Iga
    • Shuichi MoriyamaKazuhisa Iga
    • G06F12/08
    • G06F12/0804G06F12/0891
    • A cache flash controlling method for a cache memory system of the write back type wherein the time required for discrimination of a dirty line in a flash cycle is reduced and system performances are improved. In the cache controlling method, all lines having tag addresses of a cache memory are divided into a plurality of blocks, and for each of the blocks, a dirty detection bit indicating whether or not a dirty line is present in the block is prepared. For those of the blocks whose data line detection bit indicates presence of no dirty line, lines of the block are invalidated immediately without performing a discrimination operation of a dirty line.
    • 一种用于回写型高速缓冲存储器系统的高速缓存闪存控制方法,其中在闪速周期中辨别脏线所需的时间减少,系统性能得到改善。 在高速缓存控制方法中,将具有高速缓存存储器的标签地址的所有行分成多个块,并且为每个块分配一个指示块中是否存在脏线的脏检测位。 对于其数据线检测位指示不存在脏线的块的那些,则块的线将立即无效,而不执行脏线的辨别操作。