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DMA

DMA(DirectMemoryAccess,直接存儲器訪問)是所有現代電腦的重要特色,它允許不同速度的硬件裝置來溝通,而不需要依賴于CPU的大量中斷負載。否則,CPU需要從來源把每一片段的資料復制到暫存器,然后把它們再次寫回到新的地方。在這個時間中,CPU對于其他的工作來說就無法使用。
  • dsPIC33F型號的CPU可配置10位或12位的ADC采樣

    dsPIC33F型號的CPU可配置10位或12位的ADC采樣,轉換完成后直接從DMA中讀取轉換結果。源碼中對多路模擬量進行采樣,對ADC及DMA分別進行了配置。

    標簽: dsPIC 33F CPU ADC

    上傳時間: 2014-01-23

    上傳用戶:sy_jiadeyi

  • very comprehensive example, windows WDM driver development ex The use of drive technology can s

    very comprehensive example, windows WDM driver development ex The use of drive technology can s Say all ?� � e full speed equipm STM32 DAC DMA TIXINGBO Implement hiding process, make pr DMA ddk driver

    標簽: comprehensive development technology example

    上傳時間: 2013-12-22

    上傳用戶:蟲蟲蟲蟲蟲蟲

  • very comprehensive example, windows WDM driver development ex The use of drive technology can s

    very comprehensive example, windows WDM driver development ex The use of drive technology can s Say all � � e full speed equipm STM32 DAC DMA TIXINGBO Implement hiding process, make pr DMA ddk driver

    標簽: comprehensive development technology example

    上傳時間: 2013-12-14

    上傳用戶:alan-ee

  • Wishbone to LPC (Low-Pin Count) Bridge, includes master and slave modules. Supports 8-bit I/O Read a

    Wishbone to LPC (Low-Pin Count) Bridge, includes master and slave modules. Supports 8-bit I/O Read and Write cycles, 8-bit Memory Read/Write cycles, DMA cycles, and up to 32-bit Firmware memory read/write cycles. Serial IRQ support is also provided. None of this has been tested (yet) with a third-party LPC Peripheral or Host.

    標簽: Wishbone Supports includes Low-Pin

    上傳時間: 2014-12-20

    上傳用戶:古谷仁美

  • 對vga接口做了詳細的介紹

    對vga接口做了詳細的介紹,并且有一 ·三段式Verilog的IDE程序,但只有DMA ·電子密碼鎖,基于fpga實現,密碼正 ·IIR、FIR、FFT各模塊程序設計例程, ·基于邏輯工具的以太網開發,基于邏 ·自己寫的一個測溫元件(ds18b20)的 ·光纖通信中的SDH數據幀解析及提取的 ·VHDL Programming by Example(McGr ·這是CAN總線控制器的IP核,源碼是由 ·FPGA設計的SDRAM控制器,有仿真代碼 ·xilinx fpga 下的IDE控制器原代碼, ·用verilog寫的,基于查表法實現的LO ·精通verilog HDL語言編

    標簽: vga 接口

    上傳時間: 2014-12-04

    上傳用戶:colinal

  • This manual describes SAMSUNG s S3C2410X 16/32-bit RISC microprocessor. This product is designed to

    This manual describes SAMSUNG s S3C2410X 16/32-bit RISC microprocessor. This product is designed to provide hand-held devices and general applications with cost-effective, low-power, and high-performance microcontroller solution in small die size. To reduce total system cost, the S3C2410X includes the following components separate 16KB Instruction and 16KB Data Cache, MMU to handle virtual memory management, LCD Controller (STN & TFT), NAND Flash Boot Loader, System Manager (chip select logic and SDRAM Controller), 3-ch UART, 4-ch DMA, 4-ch Timers with PWM, I/O Ports, RTC, 8-ch 10-bit ADC and Touch Screen Interface, IIC-BUS Interface, IIS-BUS Interface, USB Host, USB Device, SD Host & Multi-Media Card Interface, 2-ch SPI and PLL for clock generation.

    標簽: This microprocessor describes S3C2410X

    上傳時間: 2014-01-11

    上傳用戶:shizhanincc

  • 采用FPGA實現了兩套IDE接口功能

    采用FPGA實現了兩套IDE接口功能,設計支持PIO和Ultra DMA傳輸模式,文章側重于介紹用FPGA實現IDE接口協議的具體方法。

    標簽: FPGA IDE 接口功能

    上傳時間: 2017-09-08

    上傳用戶:時代電子小智

  • 這是usb device端的驅動

    這是usb device端的驅動,使用CPU搬運數據,沒有用到DMA

    標簽: device usb 驅動

    上傳時間: 2017-09-13

    上傳用戶:fandeshun

  • nios范例(含源代碼)

    nios范例(含源代碼),包含DMA控制器,io中斷,串口中斷,定時器中斷

    標簽: nios 范例 源代碼

    上傳時間: 2017-09-14

    上傳用戶:cc1015285075

  • DSP例程

    該資料是F28335的DMA模塊例程,方便初學者參考

    標簽: DSP

    上傳時間: 2015-05-12

    上傳用戶:cluechen

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