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List of free analog and digital electronic circuit simulators, available for Windows, macOS, Linux, and comparing against UC Berkeley SPICE.The following table is split into two groups based on whether it has a graphical visual interface or not.
It requires a license from Intel. A USB controller using UHCI does little in hardware and requires a software UHCI driver to do much of the work of managing the USB bus. [2] It only supports 32-bit memory addressing, [4] so it requires an IOMMU or a computationally expensive bounce buffer to work with a 64-bit operating system.
The xHCI reduces the need for periodic device polling by allowing a USB 3.0 or later device to notify the host controller when it has data available to read, and moves the management of polling USB 2.0 and 1.1 devices that use interrupt transactions from the CPU-driven USB driver to the USB host controller.
The Xtensa instruction set is a 32-bit architecture with a compact 16- and 24-bit instruction set. The base instruction set has 82 RISC instructions and includes a 32-bit ALU , 16 general-purpose 32-bit registers , and one special-purpose register.
Spectrum HoloByte, Inc. was an American video game developer and publisher. The company, founded in 1983, was known for its simulation games, notably the Falcon series of combat flight simulators, and for publishing the first version of Tetris outside the Soviet Union (in 1988 for MS-DOS).
The IBM PC took a more conventional approach, their adaptor card could support up to four drives; on the PC direct memory access (DMA) to the drives was performed using DMA channel 2 and IRQ 6. The diagram below shows a conventional floppy disk controller which communicates with the CPU via an Industry Standard Architecture (ISA) bus or similar ...
Specctra is a commercial PCB auto-router originally developed by John F. Cooper and David Chyan of Cooper & Chyan Technology, Inc. (CCT) in 1989. [2] The company and product were taken over by Cadence Design Systems in May 1997.
Unified linker / elaborator for Verilog, VHDL, and SystemC libraries. Generates a simulation object file referred to as a snapshot image. NC Sim ncsim Unified simulation engine for Verilog, VHDL, and SystemC. Loads snapshot images generated by NC Elaborator. This tool can be run in GUI mode or batch command-line mode.