Foreach LUT: 1. generate the LUT bitstream with location constraint. -> using command-line Xilinx toolchain 2. upload the bitstream to the FPGA. -> using FLRe demo board and JTAG control 3. readback the memory area containing the LUT equation and match it with the sent bitstream. -> using FLRe demo board and JTAG …read more
Goal have a look-up table (LUT) generated at a known location and test its equation, while dynamically changing it.
Generation script for the Xilinx FPGA config using ISE
- myProject_map.ncd (Native Circuit Description)
- myProject.pcf (constraint file)
- myProject.ncd (same format, but includes additional place and route information)
- myProject …
First version of the FLRe system. Introduction time!
The project is made of two modular boards: one microcontroller board and one FPGA board. Each boad can be used separately (each has its own power stage), but they are designed to work together over the 50MHz 16-bit parallel SelectMAP bus of …read more
Before wiring everything on the PCB, let's check the Spartan-6 configuration sequence from microcontroller.
On power-on, both boards (microcontroller and FPGA) will get power supply, but only the microcontroller chip will start because the power supply rail of the FPGA is controlled by a relay which will be open …
Where is the KiCAD schematic component for the Xilinx Spartan-6 LX9 (XC6SLX9-TQFP144)?
Numato Labs made the Mimas Spartan-6 development board using KiCAD, and this FPGA silicon and package. The KiCAD component can be found in their Subversion repository at .
KiCAD and Omron MOSFET relay G3VM-61G1
 Numato Labs …
How to design a Spartan-6 PCB?
The Spartan-6 LX9 is available in the hand-soldering-friendly TQG144 package ([UG385] v2.3 at p. 30). Numato designed an open-hardware board around this FPGA/packaging: the Mimas Spartan-6 devel. board [NUM1]. The KiCAD  schematics and PCB layout files are found in Numato's SVN …
Want to change the LUT equation directly in the bitstream of the Xilinx Spartan6 LX9 (XC6SLX9)?
Go to this link for the online converter based on the source code of the FLRe project: https://vjordan.info/cgi/lut_equ_conv
for the native Xilinx bitstream …
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