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  2. Dual-ported RAM - Wikipedia

    en.wikipedia.org/wiki/Dual-ported_RAM

    Dual-ported RAM (DPRAM), also called dual-port RAM, is a type of random-access memory (RAM) that can be accessed via two different buses.. A simple dual-port RAM may allow only read access through one of the ports and write access through the other, in which case the same memory location cannot be accessed simultaneously through the ports since a write operation modifies the data and therefore ...

  3. Dual-ported video RAM - Wikipedia

    en.wikipedia.org/wiki/Dual-ported_video_RAM

    Dual-ported RAM allows the CPU to read and write data to memory as if it were a conventional DRAM chip, while adding a second port that reads out data. This makes it easy to interface with a video display controller (VDC), which sends a timing signal to the memory and receives data in the correct sequence as it draws the screen.

  4. Wishbone (computer bus) - Wikipedia

    en.wikipedia.org/wiki/Wishbone_(computer_bus)

    This ambiguity is intentional. Wishbone is made to let designers combine several designs written in Verilog, VHDL or some other logic-description language for electronic design automation (EDA). Wishbone provides a standard way for designers to combine these hardware logic designs (called "cores"). Wishbone is defined to have 8, 16, 32, and 64 ...

  5. MyHDL - Wikipedia

    en.wikipedia.org/wiki/MyHDL

    MyHDL [1] is a Python-based hardware description language (HDL).. Features of MyHDL include: The ability to generate VHDL and Verilog code from a MyHDL design. [2]The ability to generate a testbench (Conversion of test benches [3]) with test vectors in VHDL or Verilog, based on complex computations in Python.

  6. Test-and-set - Wikipedia

    en.wikipedia.org/wiki/Test-and-set

    A central processing unit (CPU) may use a test-and-set instruction offered by another electronic component, such as dual-port RAM; a CPU itself may also offer a test-and-set instruction. A lock can be built using an atomic test-and-set [1] instruction as follows:

  7. List of 7400-series integrated circuits - Wikipedia

    en.wikipedia.org/wiki/List_of_7400-series...

    dual-port dRAM controller 40 74F764: 74x765 1 dual-port dRAM controller with address latch 40 74F765: 74x776 1 8-bit latched transceiver for FutureBus: three-state and open-collector 28 SN74F776: 74x777 3 triple latched transceiver three-state and open-collector 20 74F777: 74x779 1 8-bit bidirectional binary counter three-state 16 MC74F779 ...

  8. Synchronous dynamic random-access memory - Wikipedia

    en.wikipedia.org/wiki/Synchronous_dynamic_random...

    Synchronous graphics RAM (SGRAM) is a specialized form of SDRAM for graphics adaptors. It is designed for graphics-related tasks such as texture memory and framebuffers , found on video cards . It adds functions such as bit masking (writing to a specified bit plane without affecting the others) and block write (filling a block of memory with a ...

  9. Register-transfer level - Wikipedia

    en.wikipedia.org/wiki/Register-transfer_level

    Register-transfer-level abstraction is used in hardware description languages (HDLs) like Verilog and VHDL to create high-level representations of a circuit, from which lower-level representations and ultimately actual wiring can be derived. Design at the RTL level is typical practice in modern digital design.

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