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Virtual (cycle accurate) CPU simulations

Started by strubi 5 years ago3 replieslatest reply 5 years ago197 views
Hi all, I've been hacking away on a CPU builder in the past years that allows to build a microcontroller kinda from scratch with some standard peripherals in...

MachXO2 I2C configuration. EFB I2C block synthesis error.

Started by atom1477 5 years ago2 replieslatest reply 5 years ago420 views
Hello.I creating project with LCMXO2-1200HC device in QFN32 package, so i have very limited number of IO pins and I want to configuring FPGA by I2C instead of JTAG.I...

How to understand -edge option if first edge of generated clock is falling edge?

Started by tip_can19 5 years ago1 replylatest reply 5 years ago130 views
I am trying to understand the waveform created by create_generated_clock with -edge option. Suppose I have master clock as create_clock 2 [get_ports DCLK] like below:I...

What would be difference between clock latency and propagation delay?

Started by tip_can19 5 years ago4 replieslatest reply 5 years ago884 views
I believe the clock latency is the total time it takes from the clock source to an end point. Whereas, the propagation delay would simply be the delay between...

Activating CH7301 on SP605 board #xilinx #vhdl

Started by ajellis 6 years ago2 replieslatest reply 6 years ago253 views
HelloI am working on a project using the SP605 for a video application. Currently I'm trying to output a picture via the DVI output which is driven by a CH7301...

remains a black box sine it has not binding entity

Started by ajellis 6 years ago7 replieslatest reply 6 years ago2156 views
HI I'm working on a design where I have implemented an I2C module which I'm trying to use as a component in another piece of VHDL. The problem I've got is that...

A Law compression for FPGA

Started by kaz 6 years ago7 replieslatest reply 6 years ago234 views
Hi all,Referring to this doc on A law compression (table 1):http://www.young-engineering.com/docs/YoungEnginee...The table is meant for 13 bits signed to 8 bits...

Lattice: Utilization and Clock Report

Started by cubosubtil 6 years ago3 replieslatest reply 6 years ago106 views
Hello,I have only one clock in my design and the number of clock load in my clock report(.par) does not correspond to the number of the registers in the map report(.mrp),...

simple line drive generator doesn't work properly

Started by ombz 6 years ago3 replieslatest reply 6 years ago56 views
Hi guysI don't have any real-world experience with synthesizable VHDL and FPGA's but I've been really curious about it for a long time. So I've found an old experimenter's...

Synchronizing clock cycles of FPGA in Mojo V3 with the clock cycle of a signal generator

Started by embeddedelectronics 6 years ago4 replieslatest reply 6 years ago240 views
Hi, So I want to synchronize the clock cycle of an FPGA in mojo V3 development board, whose default clock cycle is 50 MHz with a function generator. Currently,...

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