通过PCIE总线发送到FPGA板卡;FPGA内部的XDMA IP核接收到电脑端发来的视频后,将视频写入板载DDR3中缓存;然后由FT601读写逻辑控制FDMA图像缓存架构将视频从板载DDR3中读出;然后视频送入FT601芯片输出USB3.0视频,输出分辨率为1920
4.4 usb的路由 对于USB,其路由方式就简单多了,为route string路由。看下图,Host发送的packet的header部分就有route string部分,这部分直接说明了每一级hub该走哪个port,按照这个路线走就行,简单易懂,这种路由方式,其实类似PCIE的ID路由,只不过HOST完全了解拓扑结构,直接就给出了路线该怎么走,不需要PCIE的ID那样层层...
笔者在实际开发工作中,有个项目需要实现在PC主机的PCIE槽上扩展两路USB3.0,经过在世强的网站上搜索,找到了一个USB3.0的PCIe转换芯片。他就是世强代理的,来自瑞萨推出的USB3.0第三代主控芯片UPD720202。系统总线与PCIe Gen2规范兼容,同时支持USB3.0和USB2.0协议。它的两个USB端口可同时实现LS(低速)/FS(全速)/HS(...
00:1a.0 USB controller: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller...
Hi, I want to use usb (slave) to write command to pcie (host) by PC tools , do you have any recommend platform?7 年多前 Jorge Llamas (SWAT) 7 年多前 TI__Expert 7395 points Hi, Can you please provide more details a...
[AMD] Starship/Matisse Root Complex +-03.0 Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge | +-03.3-[42]---00.0 ASMedia Technology Inc. ASM1042A USB 3.0 Host Controller # ^=== 40:03.3 here is a Bridge. And USB controller is connected # to this Bridge ...
The device modem that I tested is USB device in mPCIe form factor. So it needs mPCIe that connected to USB host too. I just buy mPCIe to USB with simcard slot for modem, then put it in the USB port. The device will be listed. View solution in original post 0 Kudos Reply ...
bsp-pcie 0.pcie0: PCI host bridge to bus 0000:00 pci_bus 0000:00: root bus resource [bus 00-ff] pci_bus 0000:00: root bus resource [mem 0x28000000-0x2fffffff] pci 0000:00:00.0: [21b4:1079]type01 class 0x060400 pci 0000:00:00.0: reg 0x10: [mem 0x00000000-0x007fffff] ...
所以北桥扮演着host/PCI bridge角色。而南桥为PCI总线通向ISA总线(Industrial Standard Architecture,工业标准结构总线)的一个bridge,连接了PCI root bus和ISA bus,南桥一般包含中断控制器,IDE控制器,USB host控制器和DMA控制器。北桥和南桥组成了芯片组。左边是显卡专用接口部分,由于PCI总线带宽不能满足于显卡的数据...