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    • 4. 发明授权
    • Method and apparatus of reducing transfer latency in an SOC interconnect
    • 减少SOC互连中传输延迟的方法和装置
    • US07263566B2
    • 2007-08-28
    • US11027532
    • 2004-12-30
    • J. Prakash Subramaniam GanasanPerry Willmann Remaklus, Jr.
    • J. Prakash Subramaniam GanasanPerry Willmann Remaklus, Jr.
    • G06F13/366
    • G06F13/364
    • Embodiments of the invention are directed to a method and apparatus for reducing transfer latency in a system on a chip, the system on a chip comprising a bus master, a bus slave and an arbiter, wherein the bus master, bus slave and arbiter are in electronic communication therebetween. A request is transmitted from the bus master to the arbiter, wherein a priority signal is associated with a latency requirement. The arbiter reviews the latency requirement prior to transmitting the request to the bus slave and determines whether to elevate the priority signal. The request signal is then transmitted from the arbiter to the bus slave. The bus slave fulfills the request and transmits a response to the request, wherein the transmission includes the priority signal.
    • 本发明的实施例涉及用于减少芯片上的系统中的传输等待时间的方法和装置,该芯片上的系统包括总线主机,总线从机和仲裁器,其中总线主机,总线从机和仲裁器处于 电子通讯。 请求从总线主机发送到仲裁器,其中优先级信号与等待时间要求相关联。 仲裁器在将请求发送到总线从设备之前审查延迟要求,并确定是否提升优先级信号。 然后,请求信号从仲裁器发送到总线从站。 总线从站满足请求并发送对请求的响应,其中传输包括优先级信号。
    • 5. 发明授权
    • Directed auto-refresh synchronization
    • 定向自动刷新同步
    • US07953921B2
    • 2011-05-31
    • US11115915
    • 2005-04-27
    • Robert Michael WalkerPerry Willmann Remaklus, Jr.
    • Robert Michael WalkerPerry Willmann Remaklus, Jr.
    • G06F13/00
    • G06F13/1636G11C11/406
    • In a directed auto-refresh (DARF) mode, refresh commands are issued by a controller, and refresh row and bank addresses are maintained internally to a memory module. A bank address counter internal to the memory is initialized to a first predetermined value upon entering DARF mode. The memory refreshes the currently addressed bank in response to a DARF command, and increments the bank address counter in a predetermined sequence. The controller tracks the bank address, and may issue one or more memory access commands while a DARF operation is being performed, if the memory access and the refresh are directed to different banks. Upon exiting a self-refresh mode, the bank address counter assumes a second predetermined value. The second predetermined value may be fixed, or may be n+1, where n is the value of the bank address counter when self-refresh mode is initiated.
    • 在定向自动刷新(DARF)模式下,控制器发出刷新命令,刷新行和存储区地址在内部维护到存储器模块。 进入DARF模式时,存储器内部的存储器地址计数器被初始化为第一预定值。 存储器响应于DARF命令刷新当前寻址的存储体,并以预定的顺序递增存储体地址计数器。 如果存储器访问和刷新被引导到不同的存储体,则控制器跟踪存储体地址,并且可以在执行DARF操作时发出一个或多个存储器访问命令。 在退出自刷新模式时,银行地址计数器采取第二预定值。 第二预定值可以是固定的,或者可以是n + 1,其中n是当启动自刷新模式时存储体地址计数器的值。
    • 6. 发明申请
    • Memory Controller Page Management Devices, Systems, and Methods
    • 内存控制器页面管理设备,系统和方法
    • US20110055495A1
    • 2011-03-03
    • US12549635
    • 2009-08-28
    • Barry Joe WolfordPerry Willmann Remaklus, JR.
    • Barry Joe WolfordPerry Willmann Remaklus, JR.
    • G06F12/00G06F12/10
    • G06F13/1694
    • Memory controller page management devices, systems, and methods are disclosed. In one embodiment, a memory controller is configured to access memory in response to a memory access request. The memory controller is configured to apply a page management policy to either leave open or close a memory page based on at least identification information of a requestor. In this manner, a memory page management policy can be applied by the memory controller to optimize memory access times and reduce latency based on the identification of the requestor. For example, the requestor may be associated with sequential or series of memory access requests to the same memory such that a leave open page management policy would be optimal for reduced memory access times. As another example, the requestor may be associated with memory access requests to random memory pages such that a close page management policy would be optimal for reduced memory access times.
    • 公开了内存控制器页面管理设备,系统和方法。 在一个实施例中,存储器控制器被配置为响应于存储器访问请求访问存储器。 存储器控制器被配置为应用页面管理策略来至少基于请求者的标识信息来打开或关闭存储器页面。 以这种方式,存储器控制器可以应用存储器页面管理策略以优化存储器访问时间并且基于请求者的标识来减少等待时间。 例如,请求者可以与对相同存储器的顺序或一系列存储器访问请求相关联,使得离开打开页面管理策略对于减少的存储器访问时间将是最佳的。 作为另一示例,请求者可以与对随机存储器页面的存储器访问请求相关联,使得关闭页面管理策略对于减少的存储器访问时间来说将是最佳的。
    • 10. 发明授权
    • Method and system for providing seamless self-refresh for directed bank refresh in volatile memories
    • 用于为易失性存储器中的定向库刷新提供无缝自刷新的方法和系统
    • US07088633B2
    • 2006-08-08
    • US10982277
    • 2004-11-05
    • Perry Willmann Remaklus, Jr.Robert Michael Walker
    • Perry Willmann Remaklus, Jr.Robert Michael Walker
    • G11C7/00
    • G11C11/40611G11C11/406
    • A memory system is provided. The system includes a volatile memory having a number of banks and configured to engage in one of a number of operating modes including an auto-refresh mode and a self-refresh mode, and a memory controller configured to direct the volatile memory to engage in one of the operating modes. Upon the memory controller directing the volatile memory to engage in the self-refresh mode, the memory controller is further configured to provide an entry bank address to the volatile memory, the entry bank address corresponding to the first bank that is to be refreshed during the self-refresh mode. Upon the volatile memory exiting the self-refresh mode, the volatile memory is further configured to make an exit bank address available to the memory controller, the exit bank address corresponding to the last bank that was refreshed prior to the volatile memory exiting the self-refresh mode.
    • 提供了一种存储系统。 该系统包括具有多个存储体并被配置为参与包括自动刷新模式和自刷新模式的多种操作模式中的一种操作模式的易失性存储器,以及配置为引导易失性存储器参与一个 的操作模式。 在存储器控制器引导易失性存储器进行自刷新模式的情况下,存储器控制器进一步被配置为向易失性存储器提供入口库地址,对应于在第一存储区期间将被刷新的入口库地址 自刷新模式。 在易失性存储器退出自刷新模式时,易失性存储器进一步被配置为使存储器控制器可用的出库组地址,对应于在易失性存储器离开自组织之前刷新的最后一个存储体的出库组地址, 刷新模式。