其中以Xilinx家的DMA控制器(英文全称:AXI Direct Memory Access)的读取功能(Read Channel)为例,能够通过AXI总线读取某个地址区间的数据,同时再将这些数据转换以数据流的形式传输至处理单元。典型的AXI Direct Memory Access(IP核)配置界面如下图所示。 从图中可以看出,普通模式的DMA具备以下特性: ①AXI Memory Map总...
/** * Proof of concept offloaded memcopy using AXI Direct Memory Access v7.1 */ #include <...
DMAcoreregisterspaceforDirectRegistermodeisshowninTable2-6.TheAXIDMA registersarememory-mappedintonon-cacheablememoryspace.Thismemoryspacemust bealignedonanAXIword(32-bit)boundary. Note:TheAXI4-Litewriteaccessregisterisupdatedbythe32-bitAXIWriteData(*_wdata)signal, andisnotimpactedbytheAXIWriteDataStrobe...
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基于Xilinx FPGA的AXI Direct Memory Access (Scatter Gather Engine模式) 行为分析及软件操作流程 1、引言 我们在FPGA上进行数据处理或者信号处理时,通常会遇到从片外存储器(DDR)读取数据至片内,或者将片内的结果直接暂存至片外(DDR)。其中以Xilinx家的DMA控制器(英文全称:AXI Direct Memory Access)的读取功能(...
DMADirectMemoryAccess D2HDevice-to-Host Gen1PCIe1.0 Gen2PCIe2.0 Gen3PCIe3.0 Gen4PCIe4.0 Gen5PCIe5.0 H2DHost-to-Device HIPHardIP AvalonMCDMAIPH/P/F/R-TileMultichannelDMAIntelFPGAIPforPCIExpress.TheseIPsuse traditionalAvalon®interfaceprotocol MCDMAMultichannelDirectMemoryAccess QCSRQueueControlandStatus...
LogiCOREIPAXIVideoDirectMemoryAccessv6462 系统标签: axilogicorevideomemoryvivadodirect AXIVideoDirectMemoryAccessv6.2LogiCOREIPProductGuideVivadoDesignSuitePG020November30,2016AXIVDMAv6.22PG020November30,2016.xilinxTableofContentsIPFactsChapter1:OverviewFeatureSummary...6Applications...7UnsupportedFeatures......
47652 - AXI Direct Memory Access (DMA) - Release Notes and Known Issues Description This Release Note and Known Issues Answer Record is for the AXI DMA and contains the following information: General Information Software Requirements New Features Resolved Issues Known Issues For installation ...
47652 - AXI Direct Memory Access (DMA) - Release Notes and Known Issues Description This Release Note and Known Issues Answer Record is for the AXI DMA and contains the following information: General Information Software Requirements New Features Resolved Issues Known Issues For installation ...
72543 - LogiCORE IP AXI Video Direct Memory Access (VDMA), LogiCORE Video Frame Buffer Read and Write, Zynq UltraScale+ MPSoC VCU - When should I use the VDMA and when should I use the Video Frame Buffer? Sep 23, 2021•Knowledge Title 72543 - LogiCORE IP AXI Video Direct Memory Access...