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    • 6. 发明申请
    • High-speed transmission apparatus
    • 高速传输装置
    • US20050271126A1
    • 2005-12-08
    • US10860141
    • 2004-06-04
    • Chen-Min ChiangLi-Wei Chu
    • Chen-Min ChiangLi-Wei Chu
    • H04B1/38H04B1/40
    • H04B1/40
    • A high-speed transceiver apparatus is connected between a USB controller of a host and a peripheral device. The transceiver apparatus has a dual-port memory with a first data port and a second data port, a DMA unit providing a data transmission between the second data port and the peripheral device, and a processor controlling the data access of the dual-port memory for the peripheral device. When the USB controller of the host accesses the dual-port memory through the first data port, the processor commands the peripheral device to access the dual-port memory through the second data port. The DMA unit controls the data transmission between the dual-port memory and the peripheral device.
    • 在主机的USB控制器和外围设备之间连接有高速收发器装置。 收发器装置具有双端口存储器,其具有第一数据端口和第二数据端口,DMA单元提供第二数据端口和外围设备之间的数据传输,以及控制双端口存储器的数据访问的处理器 用于外围设备。 当主机的USB控制器通过第一个数据端口访问双端口存储器时,处理器命令外围设备通过第二个数据端口访问双端口存储器。 DMA单元控制双端口存储器和外围设备之间的数据传输。