DMA
英 [ˌdiː em ˈeɪ]
美 [ˌdiː em ˈeɪ]
n. 直接存储器存取，直接内存存取系统(全写为direct memory access，无须使用中央处理器)
牛津词典
noun
- 直接存储器存取，直接内存存取系统（全写为direct memory access，无须使用中央处理器）
a system that allows a device attached to a computer to take data from the computer's memory without using the central processing unit (the abbreviation for direct memory access )
双语例句
- Next, it performs a DMA transfer to copy in the parameter structure from the PPE.
接下来，执行DMA传输以在参数结构内从PPE复制。 - All of the data transfers will use the MFC's DMA facilities, controlled through SPE channels.
所有传递的数据都将使用MFC的DMA工具，由SPE信道控制。 - GETB, PUTB, GETF, and PUTF are the primary fence and barrier-related DMA commands for single buffers.
对于单一缓冲区，GETB、PUTB、GETF和PUTF是与fence和barrier相关的主要DMA命令。 - The SPU queues a DMA PUT to transmit the buffer back to main memory.
SPU对DMAPUT进行排队，从而将缓冲区传输回主内存。 - The real power of mailboxes comes when a program combines the mailbox and the DMA approach.
当程序组合使用了邮箱和DMA方法时，才会显出邮箱的真正实力。 - This command causes the SPE to immediately return with the status of the DMA channels.
这个命令会导致SPE立即返回DMA通道的状态。 - Each buffer gets a unique DMA tag ID.
每个缓冲区获得一个惟一的DMA标记ID。 - Queue a DMA GETB to refill the buffer with more data after the existing data is stored back.
对DMAGETB进行排队，从而在将现有数据存储回去之后，用更多数据重新填充缓冲区。 - The "tag" is a number which can be assigned to one or many DMA commands.
“标签”是一个数值，可分配给一个或多个DMA命令。 - The tag_id allows for you to retrieve the status of the DMA operation.
tagid让您可以检索DMA操作的状态。 - This will be important as you learn how to use the memory flow controller's DMA facilities.
对于学习如何使用内存流控制器的DMA工具而言，理解这些概念将会十分重要。 - DMA technology is another similar kind of mechanism that can perform the memory transfer without the CPU assistance.
的DMA技术，是另一个类似的机制，可以执行的记忆不转让的CPU援助。 - The DMA is a very complex device whose complexity is analogous to the one of a microprocessor.
DMA是一个很复杂的器件，其复杂程度类似于微处理器。 - DMA Controller Design of FPGA Based on Digital Image Signal Source
基于FPGA的数字图像信号源中DMA控制器设计 - Technology of DMA data transmission in JPEG encoding with low overhead
DMA在JPEG编码数据传输中的低开销技术 - Ultra DMA Data Recording System Based on FPGA
基于FPGA的ultraDMA数据记录系统 - Implementation of DMA and interrupt of Servo control card based on CPCI bus
基于CPCI的伺服卡的DMA和中断研究 - This example shows how to capture a single channel analog inputs, analog ( ADC) will be converted to analog data and the data transferred by DMA to memory.
本例展示了如何采集单个通道的模拟输入，通过模数转换器（ADC）将模拟量转化为数据，并通过DMA把数据转移到内存中。 - Design of stereo audio acquisition system based on DMA& McBSP of DSP
基于DSP的DMA和McBSP的双声道音频采集系统设计 - There are eight standard DMA channels ( 0-7); DMA4 is reserved and cannot be used by any device.
有八个标准的DMA波道；（0-7）DMA4被保留而且不能够被任何装置用。 - Design and Realization of SDRAM Controller Based on DMA Transmission Mode
基于DMA传输方式的SDRAM控制器的设计与实现 - The storage modulus and damping factor of composites were also characterized through dynamic mechanical analysis ( DMA).
此外，采用动态力学分析（DMA）进一步表征了复合材料的储能模量和阻尼因子。 - In this scenario, the DMA-based transfer need not shift data later on.
在这种方案中，基于DMA移动就不需要数据移位了。 - Register-based DMAallows the processor to directly program DMA control registers to initiate aDMA transfer.
基于寄存器的DMA允许处理器直接通过修改DMA控制寄存器来启动DMA传输。 - The combined system is controlled by one instrument with both results shown on the DMA display.
该组合系统通过一台仪器控制并在DMA显示屏能显示两个结果。 - While DMA channels bypass the CPU, devices that use DMA are still configured with IRQ ports.
DMA波道省略处理器，不过仍然使用DMA的装置与IRQ端口一起配置。 - The use of multi-channel buffered serial port MCBSP is to achieve SPI bus ( mode of) data collection, and the real-time data transmission and storage is achieved by the use of two DMA controllers.
利用多通道缓存串行口MCBSP实现SPI总线方式的数据采集，并采用两个DMA控制器实现了数据的实时传输和存储。 - The Design and Implementation of High Speed DMA Data Transmission in PCI Bus
PCI总线中DMA高速数据传输的设计与实现 - A DMA channel is used when a device such as a sound card has an independent processor and can bypass the CPU.
当一个装置，像是一个语音卡有一个独立的处理机的时候，一个DMA波道被用而且能省略处理器。 - Design of AMBA bus and DMA controller used for MPEG-2 decoder chip
MPEG-2解码芯片的AMBA总线和DMA控制器设计