Field-Programmable Gate Arrays

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Add on bus

Looking to see if anyone out there has verilog or vhdl code that implements the "add on bus." Couldn't find any on openc...
0 comments posted 21yrs
posted by themarenas
0 comments posted 21yrs posted by themarenas

Virtex4 running at 360Mhz DDR

I'm about to use Virtex 4, and wonder if this is achievable. All literature seems to indicate that it is, but I'd like...
40 comments posted 21yrs
posted by fastgreen2000
40 comments posted 21yrs posted by fastgreen2000

dividing the clcok by 2.5

Hello Guys, I have to divide an clock by 2.5. I cannot use the DCM of virtex 2 pro has my clock is 10 MHZ which is too...
4 comments posted 21yrs
posted by stud_lang_jap
4 comments posted 21yrs posted by stud_lang_jap

PCI PCIX LoGi Core Problem

Hello All, I am using Xilinx PCI/PCIX Logicore. FPGA is configured with a default bitstream first (either PCI or PCIX)...
0 comments posted 21yrs
posted by kedarpapte
0 comments posted 21yrs posted by kedarpapte

CAM implementation on Lattice EC

Hi, I want to do the following: 32-Word CAM, 10-Bit Wide With Altera Cyclone or Stratix it can be done just by using am...
0 comments posted 21yrs
posted by ALuPin
0 comments posted 21yrs posted by ALuPin

Clock speed problem. How can I proceed?

I have a 500K gate, 40MHz design. When I first implemented that for xc2v6000, P&R succeeded with 2ns margin. Now I deci...
0 comments posted 21yrs
posted by invalicd
0 comments posted 21yrs posted by invalicd

Configuring an XC3S400 Spartan 3 with JTAG

Hello, I want to configure a Spartan 3 with an ARM controller comporting several GPIO pins (0-3,3v), from which I use 4...
6 comments posted 21yrs
posted by jerome.maye
6 comments posted 21yrs posted by jerome.maye

DDR speed of the XUPV2P Board from Digilent

Hi, I am doing stuff with Displays. The data rate is about 3 gigabits/s for the pixels. I am thinking about using the X...
15 comments posted 21yrs
posted by benjamin
15 comments posted 21yrs posted by benjamin

Altera Quartus Timing Models

How do I perform a timing analysis using Quartus, with a worst case temperature of less than the default for the device...
4 comments posted 21yrs
posted by alanmyler
4 comments posted 21yrs posted by alanmyler

dcm's for increasing clock speed

when can dcm's be used (xilinx ise) to improve clock speed of a given design? suppose my design synthesizes at 75mhz bu...
3 comments posted 21yrs
posted by wallge
3 comments posted 21yrs posted by wallge

Altera: Maxplus rules!

I have a Maxplus design which is a year or more old which was compiled with Maxplus. So far so good. I am required to m...
9 comments posted 21yrs
posted by Fred
9 comments posted 21yrs posted by Fred

TRACE and Modelsim Timing Help

Dear Gurus, I hope that someone would help me on how to interpret the following timing parameters. Thank You very much...
3 comments posted 21yrs
posted by galiero
3 comments posted 21yrs posted by galiero

Uart16550 can't receive data over 16byte a time

I send 50 bytes character to serial port of UART1655 in FPGA Board,But only the first 16 bytes of received data is corr...
10 comments posted 21yrs
posted by mlpei279
10 comments posted 21yrs posted by mlpei279

Quartus II - multicyle option

Hi, I setup the multcyle constraint for a reg-to-reg path as : set_instance_assignment -name MULTICYCLE 2 -from "dlatch...
1 comments posted 21yrs
posted by laurent.gauch
1 comments posted 21yrs posted by laurent.gauch

Xilinx VIIPro mixed configuration voltages

I'm using a VIIPro with Bank 4 Vcco set to 3.3V. The PROM is an XCF04S which has separate Vccint (must be 3.3V), Vccjta...
2 comments posted 21yrs
posted by enquiries
2 comments posted 21yrs posted by enquiries