Field-programmable gate array
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FPGA is a logic matrix configurable chip.
Several open hardware projects use FPGAs, such as
- Minimig FPGA
- ...
- Balloon Xscale + FPGA board
- The Open Graphics Project (OGP) is developing graphics cards with fully published specs and open source drivers. Since the first version will be a FPGA, is also collecting information on FPGA programming and interfacing.
- ...
- ... (Add other open hardware projects I'm forgetting to this list)
Verilog ... Xilinx ... Altera ... Lattice ...
Verilog
Verilog is a hardware description language (HDL) used to model electronic systems. The language (sometimes called Verilog HDL) supports the design, verification, and implementation of analog, digital, and mixed-signal circuits at various levels of abstraction.
VHDL
VHDL (VHSIC hardware description language) is commonly used as a design-entry language for designing digital circuits as field-programmable gate arrays (FPGAs) and application-specific integrated circuits (ASICs).
further reading
- Wikipedia: field-programmable gate array
- The Open Graphics Project wiki: The Open Graphics Project (OGP) is developing graphics cards with Free-licensed specifications and Free Software drivers. The FPGA development board OGD1, Revision B, uses a Xilinx® Spartan™-III XC3S4000 FPGA (primary FPGA) and a Lattice® LFXP10 non-volatile FPGA (PCI interface)
- "Project VGA": Home of the Low Budget, Open Source, VGA Compatible video card. Uses Xilinx Spartan 3 s400 FPGA.
