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    • 8. 发明申请
    • TRAINING OF SIGNAL TRANSFER CHANNELS BETWEEN MEMORY CONTROLLER AND MEMORY DEVICE
    • 记忆控制器与存储器件之间信号传输通道的训练
    • US20080112255A1
    • 2008-05-15
    • US11560302
    • 2006-11-15
    • Aaron John NygrenThomas HeinRex Kho
    • Aaron John NygrenThomas HeinRex Kho
    • G11C8/00
    • G11C29/02G11C5/04G11C29/025G11C29/50012
    • Apparatus and method of training a data transfer channel between a memory controller and a memory device connected to each other via a data signal transfer channel and an address signal transfer channel. The method comprises reading test data from a latching circuit connected to both an address signal input and a data or control signal output of the memory device or from a read only memory in the memory device, transferring a read signal representing the test data via the data signal transfer channel, detecting data from the read signal with a delay relative to a read clock signal; repeating the transferring, detecting steps, each time detecting the data at a different value of the delay; selecting a value of the delay, preferably a value at which the detected data equal the test data; and setting the delay to the selected value.
    • 通过数据信号传送通道和地址信号传送通道在存储器控制器和连接到彼此的存储器件之间训练数据传送通道的装置和方法。 该方法包括从连接到存储器件的地址信号输入和数据或控制信号输出的存储电路或从存储器件中的只读存储器读取测试数据,经由数据传送表示测试数据的读取信号 信号传输通道,相对于读取时钟信号以相对于读取时钟信号的延迟来检测来自读取信号的数据; 每次以不同的延迟值检测数据,重复传送,检测步骤; 选择延迟的值,优选地是检测数据等于测试数据的值; 并将延迟设置为所选值。
    • 9. 发明授权
    • Control signal training
    • 控制信号训练
    • US07411862B2
    • 2008-08-12
    • US11560293
    • 2006-11-15
    • Thomas HeinAaron John NygrenRex Kho
    • Thomas HeinAaron John NygrenRex Kho
    • G11C8/00
    • G11C5/04G11C7/22G11C29/02G11C29/023G11C29/028G11C2207/2254
    • A control signal training system in an integrated circuit comprises a signal transmitting unit, the signal transmitting unit outputting control signals and sampling clock signals, the control signals and the sampling clock signals having a predetermined time phase with respect to each other, a signal receiving unit, the signal receiving unit latching control signals in relation to the sampling clock signals, and an evaluation unit connected to a reading unit and the signal transmitting unit, the evaluation unit determining concordance of the control signals outputted by the signal transmitting unit and the control signals read out by the reading unit from the signal receiving unit, the evaluation unit adapting the time phase between the control signals and the sampling clock signals step-by-step until concordance of the control signals outputted by the signal transmitting unit and the control signals read out the reading unit from the signal receiving unit is determined by the evaluation unit.
    • 集成电路中的控制信号训练系统包括信号发送单元,信号发送单元输出控制信号和采样时钟信号,控制信号和采样时钟信号相对于彼此具有预定的时间相位;信号接收单元 信号接收单元相对于采样时钟信号锁存控制信号,以及连接到读取单元和信号发送单元的评估单元,评估单元确定由信号发送单元输出的控制信号和控制信号的一致性 由读取单元从信号接收单元读出,评估单元逐步调整控制信号与采样时钟信号之间的时间相位,直到由信号发送单元输出的控制信号和读取的控制信号的一致 从信号接收单元输出读取单元由评估确定 单位。