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    • 1. 发明授权
    • Buffer for varying data access speed and system applying the same
    • 用于变化数据访问速度的缓冲器和应用它的系统
    • US06738880B2
    • 2004-05-18
    • US09878896
    • 2001-06-11
    • Jiin LaiChia-Hsin ChenNai-Shung Chang
    • Jiin LaiChia-Hsin ChenNai-Shung Chang
    • G06F1300
    • G11C7/1057G11C7/1051G11C7/106G11C7/1066G11C7/1078G11C7/1084G11C7/1087
    • A buffer for varying data access speed. Combining the buffer with a memory such as a double data rate synchronous dynamic random access memory, the data transmission rate of a memory system can be enhanced. The buffer is coupled with a control chip set and several memory modules to provide functions of data analysis and assembly to satisfy a two-way data transmission interface and to obtain a higher data transmission rate. The buffer also has the function of isolating the electric connection between two sides. A single signal interface from a memory module can be converted to a complementary source synchronous signal by the buffer, so that a high-speed data transmission can be achieved. A memory system can apply several of such buffers to achieve an even higher data transmission speed.
    • 一种用于改变数据访问速度的缓冲区。 将缓冲器与诸如双倍数据速率同步动态随机存取存储器的存储器组合,可以提高存储器系统的数据传输速率。 缓冲器与控制芯片组和多个存储器模块耦合,以提供数据分析和组装的功能,以满足双向数据传输接口并获得更高的数据传输速率。 缓冲器还具有隔离两侧电气连接的功能。 来自存储器模块的单个信号接口可以由缓冲器转换成互补源同步信号,从而可以实现高速数据传输。 存储器系统可以应用若干这样的缓冲器以实现甚至更高的数据传输速度。
    • 4. 发明授权
    • Software-based simulation system capable of simulating the combined functionality of a north bridge test module and a south bridge test module
    • 基于软件的仿真系统,能够模拟北桥测试模块和南桥测试模块的组合功能
    • US06484281B1
    • 2002-11-19
    • US09459763
    • 1999-12-13
    • Hsuan-Yi WangJiin LaiNai-Shung Chang
    • Hsuan-Yi WangJiin LaiNai-Shung Chang
    • G01R3128
    • G01R31/318342
    • A software-based simulation system is provided, which can provide the combined functionality of a South Bridge test module and a North Bridge test module based solely on either one of the two modules, i.e., either the South Bridge test module or the North Bridge test module without having to use both. This software-based simulation system is characterized in the use of a PCI master modeling circuit and a PCI slave modeling circuit which are capable of simulating the functionality of the North Bridge chipset in the case that only the South Bridge chipset and no North Bridge chipset is included in the simulation system, and are further capable of simulating the functionality of the South Bridge chipset in the case that only the North Bridge chipset and no South Bridge chipset is included in the simulation system.
    • 提供了一个基于软件的仿真系统,可以提供南桥测试模块和北桥测试模块的组合功能,该模块仅基于两个模块之一,即南桥测试模块或北桥测试 模块,而不必使用两者。 该基于软件的仿真系统的特征在于使用PCI主建模电路和PCI从属建模电路,其能够模拟北桥芯片组的功能,仅在南桥芯片组和北桥芯片组为 包括在仿真系统中,并且在模拟系统中仅包括北桥芯片组且没有南桥芯片组的情况下,还能够模拟南桥芯片组的功能。
    • 6. 发明授权
    • Memory-access management method and system for synchronous random-access memory or the like
    • 用于同步随机存取存储器的内存访问管理方法和系统等
    • US06490665B1
    • 2002-12-03
    • US09350974
    • 1999-07-09
    • Jiin LaiChih-kuo KaoChia-Hsin Chen
    • Jiin LaiChih-kuo KaoChia-Hsin Chen
    • G06F1200
    • G06F12/0895G06F12/123
    • A memory-access management method and system is provided for use with an SDRAM (Synchronous Dynamic Random-Access Memory) or the like, for the purpose of increasing the performance of memory access to the SDRAM by means of tracking the memory-access history of previous access operations. The memory-page management system includes a page-table register unit including a page table for storing a predefined number of recently accessed memory locations of the memory unit. Further, the memory-page management system includes a comparison unit capable of, in response to each access request to the memory unit, checking whether the requested memory location is a hit to any one stored in the page table in the page-table register unit. A utilization-rate register unit is coupled to the page-table register unit for monitoring the least-recently-used records stored in the page-table register unit; and moreover, a validity-checking unit is coupled to the page-table register unit for checking whether the address data stored in the page table in the page-table register unit is valid or invalid.
    • 提供了一种与SDRAM(同步动态随机存取存储器)等一起使用的存储器访问管理方法和系统,用于通过跟踪存储器访问历史来增加对SDRAM的存储器访问的性能 以前的访问操作。 存储器页管理系统包括页表寄存器单元,其包括用于存储存储器单元的预定数量的最近访问的存储器位置的页表。 此外,存储器页管理系统包括:比较单元,其能够响应于对存储器单元的每个访问请求,检查所请求的存储器位置是否是存储在页表寄存器单元中的页表中的任何一个的命中 。 利用率寄存器单元耦合到页表寄存器单元,用于监视存储在页表寄存器单元中的最近最少使用的记录; 此外,有效性检查单元耦合到页表寄存器单元,用于检查存储在页表寄存器单元中的页表中的地址数据是有效还是无效。
    • 7. 发明授权
    • Method for controlling a process of writing data sent by a central processing unit to a memory by using a central processing unit interface
    • 用于通过使用中央处理单元接口来控制将由中央处理单元发送的数据写入存储器的处理的方法
    • US06269430B1
    • 2001-07-31
    • US09342711
    • 1999-06-29
    • Chia-Hsin ChenYou-Ming ChiuJiin Lai
    • Chia-Hsin ChenYou-Ming ChiuJiin Lai
    • G06F1200
    • G06F12/0875G06F13/4243G06F2212/303
    • A method for a CPU interface to control a writing process that writes data sent from a CPU to a memory. The CPU interface controls the writing process through steps mainly including receiving a write request and data from a CPU, sending a dummy request to the memory control circuit of the memory circuit, and then writing the data to a memory of the memory circuit. After the CPU interface receives a write request from the CPU, the CPU interface sends a dummy request to the memory control circuit to pre-charge and activate the designative memory page of the memory circuit before the data is sent to the memory circuit. Since the designative memory page is always pre-charged and activated while the data is received at the memory control circuit, the memory control circuit sends only a write command to the memory for writing the data to the memory without further pre-charging and activating the designative memory page. Therefore, the total number of clock cycles required for processing a write request is shortened.
    • 一种CPU接口的方法,用于控制将从CPU发送到存储器的数据写入的写入过程。 CPU接口通过主要包括从CPU接收写入请求和数据,向存储器电路的存储器控​​制电路发送伪请求,然后将数据写入存储器电路的存储器的步骤来控制写入过程。 在CPU接口从CPU接收到写请求之后,CPU接口向存储器控制电路发送伪请求,以在数据被发送到存储器电路之前对存储器电路的指定存储器页进行预充电和激活。 由于在存储器控制电路中接收到数据时,指定存储器页面总是被预先充电并被激活,所以存储器控制电路仅将写入命令发送到存储器,用于将数据写入存储器,而无需进一步的预充电和激活 指定记忆页面。 因此,缩短了处理写请求所需的总时钟周期数。
    • 8. 发明授权
    • Optical transceiver module, optical transmission device, and optical transmission method
    • 光收发模块,光传输设备和光传输方式
    • US08781332B2
    • 2014-07-15
    • US13018548
    • 2011-02-01
    • Jin-Kuan TangJiin Lai
    • Jin-Kuan TangJiin Lai
    • H04B10/00
    • H04B10/40
    • An optical transceiver module adapted to a link device includes a connection unit, a driving unit and optical transmitting and receiving units. The connection unit, to be coupled with the link device, includes an indicating element for generating an indicating signal when the connection unit is coupled with the link device. The driving unit, coupled with the connection unit, receives the indicating signal and outputs a control signal according to the indicating signal. The optical transmitting unit, coupled with the driving unit, receives the control signal for driving the optical transmitting unit to output a first optical signal. The optical receiving unit, coupled with the driving unit, transmits a received second optical signal to the driving unit. An optical transmission device using the optical transceiver module, and an optical transmission method are also disclosed. A link training sequence can be initiated after the connection unit is actually coupled with the link device. Thus, a host cannot enter a disable mode due to error connection.
    • 适于链接装置的光收发模块包括连接单元,驱动单元和光发射和接收单元。 要与链接装置耦合的连接单元包括用于当连接单元与链接装置耦合时产生指示信号的指示元件。 与连接单元耦合的驱动单元接收指示信号,并根据指示信号输出控制信号。 与驱动单元耦合的光发送单元接收用于驱动光发送单元的控制信号以输出第一光信号。 光接收单元与驱动单元耦合,将接收到的第二光信号发送到驱动单元。 还公开了使用光收发模块的光传输装置和光传输方法。 链路训练序列可以在连接单元实际上与链路设备耦合之后启动。 因此,由于错误连接,主机无法进入禁用模式。
    • 9. 发明授权
    • USB transaction translator with buffers and a bulk transaction method
    • 具有缓冲区和批量事务方法的USB事务翻译器
    • US08549184B2
    • 2013-10-01
    • US12959299
    • 2010-12-02
    • Jinkuan TangJiin LaiBuheng XuHui Jiang
    • Jinkuan TangJiin LaiBuheng XuHui Jiang
    • G06F3/00G06F13/12
    • G06F13/385
    • The present invention is directed to a universal serial bus (USB) transaction translator and an associated IN/OUT bulk transaction method. A device interface is coupled to a device via a device bus, and a host interface is coupled to a host via a host bus, wherein the host USB version is higher than the device USB version. At least two buffers configured to store data are disposed between the device interface and the host interface. A controller stores the data in the buffers alternately. In a bulk-IN transaction, before the host sends an IN packet, the controller pre-fetches data and stores the data in the buffers until all the buffers are full or a requested data length has been achieved; the pre-fetched data are then sent to the host after the host sends the IN packet. In a bulk-OUT transaction, the controller stores the data sent from the host in the buffers, and the data are then post-written to the device.
    • 本发明涉及通用串行总线(USB)事务转换器和相关的IN / OUT批量交易方法。 设备接口经由设备总线耦合到设备,并且主机接口通过主机总线耦合到主机,其中主机USB版本高于设备USB版本。 配置为存储数据的至少两个缓冲器被布置在设备接口和主机接口之间。 控制器交替地将数据存储在缓冲器中。 在批量IN事务中,在主机发送IN数据包之前,控制器预取数据并将数据存储在缓冲器中,直到所有缓冲器已满或已达到所请求的数据长度为止; 在主机发送IN数据包之后,将预取的数据发送到主机。 在bulk-OUT事务中,控制器将从主机发送的数据存储在缓冲区中,然后将数据写入设备。