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    • 1. 发明申请
    • Multiple counters to relieve flag restriction in a multi-queue first-in first-out memory system
    • 多个计数器可以缓解多队列先进先出的内存系统中的标志限制
    • US20060018177A1
    • 2006-01-26
    • US11040892
    • 2005-01-21
    • Mario AuJason Mo
    • Mario AuJason Mo
    • G11C8/00
    • G06F5/065G06F5/14G11C8/16
    • A method of operating a multi-queue device, including: (1) storing a plurality of read (write) count pointers, wherein each of the read (write) count pointers is associated with a corresponding queue of the multi-queue device, (2) providing a read (write) count pointer associated with a present queue to read (write) flag logic, (3) adjusting the read (write) count pointer associated with the present queue in response to each read (write) operation performed by the present queue, (4) indicating a read (write) queue switch from the present queue to a next queue, (5) retrieving a read (write) count pointer associated with the next queue; and then (6) simultaneously providing the read (write) count pointer associated with the present queue and the read (write) count pointer associated with the next queue to the read (write) flag logic.
    • 一种操作多队列设备的方法,包括:(1)存储多个读取(写入)计数指针,其中读取(写入)计数指针中的每一个与多队列设备的相应队列相关联( 2)提供与当前队列相关联的读取(写入)计数指针以读取(写入)标志逻辑,(3)响应于由每个读取(写入)操作执行的每个读取(写入)操作,调整与当前队列相关联的读取(写入)计数指针 (4)指示从当前队列到下一队列的读(写)队列切换,(5)检索与下一队列相关联的读(写)计数指针; 然后(6)同时将与当前队列相关联的读(写)计数指针和与下一队列相关联的读(写)计数指针提供给读(写)标志逻辑。
    • 6. 发明申请
    • Partial packet read/write and data filtering in a multi-queue first-in first-out memory system
    • 多队列先进先出存储器系统中的部分数据包读/写和数据过滤
    • US20060020761A1
    • 2006-01-26
    • US11040896
    • 2005-01-21
    • Mario AuJason MoHui Su
    • Mario AuJason MoHui Su
    • G06F12/14
    • G06F5/065G06F2205/108
    • A multi-queue memory system is configured to operate in a packet mode. Each packet includes a SOP (start of packet) marker and an EOP (end of packet) marker. A packet status bit (PSB), is used to implement the packet mode. The packet status bit enables partial packet write and partial packet read operations, such that a queue switch can be performed in the middle of packet write or packet read operations. The packet status bit also enables data filtering to be performed between an activated EOP marker and a subsequently received SOP marker (i.e., between the end of one packet and the start of the next packet). Packet mark and re-write and packet mark and re-read operations are also enabled.
    • 多队列存储器系统被配置为以分组模式操作。 每个分组包括SOP(分组开始)标记和EOP(分组结束)标记。 分组状态位(PSB)用于实现分组模式。 分组状态位使得能够进行部分分组写入和部分分组读取操作,使得可以在分组写入或分组读取操作的中间执行队列切换。 分组状态位还使得能够在激活的EOP标记和随后接收的SOP标记(即,在一个分组的结束和下一个分组的开始之间)之间执行数据过滤。 数据包标记和重写以及数据包标记和重新读取操作也被启用。
    • 7. 发明申请
    • Multi-queue address generator for start and end addresses in a multi-queue first-in first-out memory system
    • 多队列地址生成器,用于多队列先进先出内存系统中的起始和结束地址
    • US20060020743A1
    • 2006-01-26
    • US11040926
    • 2005-01-21
    • Mario AuJason MoXiaoping Fang
    • Mario AuJason MoXiaoping Fang
    • G06F12/00G06F12/02
    • G06F5/065
    • A multi-queue FIFO memory device that uses existing pins of the device to load a desired number of queues (N) into a queue number register is provided. The queue number register is coupled to a queue size look-up table (LUT), which provides a queue size value in response to the contents of the queue number register. The queue size value indicates the amount of memory (e.g., the number of memory blocks) to be included in each of the N queues. The queue size value is provided to a queue start/end address generator, which automatically generates the start and end address associated with each queue in response to the queue size value. These start and end addresses are stored in queue address register files, which enable proper memory read/write and flag counter operations.
    • 提供了使用设备的现有引脚将期望数量的队列(N)加载到队列号寄存器中的多队列FIFO存储器设备。 队列号寄存器被耦合到队列大小查询表(LUT),其响应于队列号寄存器的内容提供队列大小值。 队列大小值指示要包括在每个N个队列中的存储器量(例如,存储器块的数量)。 队列大小值被提供给队列开始/结束地址生成器,其响应于队列大小值自动生成与每个队列相关联的开始和结束地址。 这些开始和结束地址存储在队列地址寄存器文件中,这样可以实现适当的存储器读/写和标志计数器操作。
    • 8. 发明申请
    • Status bus accessing only available quadrants during loop mode operation in a multi-queue first-in first-out memory system
    • 在多队列先进先出存储器系统中,状态总线仅在循环模式操作期间仅访问可用象限
    • US20060020742A1
    • 2006-01-26
    • US11040893
    • 2005-01-21
    • Mario AuJason MoCheng-Han Wu
    • Mario AuJason MoCheng-Han Wu
    • G06F12/00
    • G06F5/065
    • A flag logic circuit is provided for use in a multi-queue memory device having a plurality of queues. A first stage memory stores a flag value for each of the queues in the multi-queue memory device. Flag values are routed from the first stage memory to a flag status bus having a width N in the manner described below. A status bus control circuit receives a signal that identifies the number of queues M actually used by the multi-queue memory device, and in response, generates a repeating pattern of X control values, wherein X is equal to (M−(M mod N))/N+1. A selector circuit sequentially routes X sets of N flag values from the first stage memory to the flag status bus in response to the repeating pattern of X control values. The X sets of N flag values include the flag values associated with the queues actually used.
    • 提供了一种用于具有多个队列的多队列存储装置中的标志逻辑电路。 第一级存储器存储多队列存储器设备中的每个队列的标志值。 标志值以下述方式从第一级存储器路由到具有宽度N的标志状态总线。 状态总线控制电路接收识别由多队列存储装置实际使用的队列数M的信号,并且作为响应,生成X个控制值的重复模式,其中X等于(M-(M mod N ))/ N + 1。 响应于X控制值的重复模式,选择器电路将X组N标志值从第一级存储器顺序路由到标志状态总线。 X组N标志值包括与实际使用的队列相关联的标志值。
    • 10. 发明申请
    • Synchronization of active flag and status bus flags in a multi-queue first-in first-out memory system
    • 多队列先进先出存储器系统中的活动标志和状态总线标志的同步
    • US20060020741A1
    • 2006-01-26
    • US11040804
    • 2005-01-21
    • Mario AuJason MoCheng-Han Wu
    • Mario AuJason MoCheng-Han Wu
    • G06F12/00
    • G06F5/065G06F5/14
    • A flag logic circuit includes a first comparator configured to generate a first flag value associated with an active read queue of a multi-queue memory device, and a second comparator configured to generate a second flag value associated with an active write queue of the multi-queue memory device. A dual-port memory is adapted to store a flag value for each queue of the multi-queue memory device. The dual-port memory has a first write port configured to receive the first flag value and a second write port configured to receive the second flag value. A first stage storage element is configured to latch each of the flag values stored in the dual-port memory in response to a first clock signal, such that the flag values are synchronized on an active status bus and flag status bus.
    • 标志逻辑电路包括:第一比较器,被配置为产生与多队列存储器件的主动读取队列相关联的第一标志值;以及第二比较器,被配置为生成与多队列存储器件的主动读取队列相关联的第二标志值, 队列存储设备。 双端口存储器适于存储多队列存储器设备的每个队列的标志值。 双端口存储器具有被配置为接收第一标志值的第一写入端口和被配置为接收第二标志值的第二写入端口。 第一级存储元件被配置为响应于第一时钟信号来锁存存储在双端口存储器中的每个标志值,使得标志值在活动状态总线和标志状态总线上同步。