CSYSTEM SANTANDER. Nuestra Empresa. Re: Interfaz ML605 ISLA216P ADC - Xilinx Foros Comunitarios usuario. Lucas, There are two (common) ways of capturing an incoming data bus in an FPGA.
For both of these, we will pre-suppose that you have the clock signal coming in on a clock capable I/O, and the data bits are being sampled in the IOB FFs. The first is to use standard global clocking. In this case, you route the clock through an IBUFGDS (which is just an IBUFDS that is required to be on a clock capable I/O), to an MMCM. The CLKFBOUT of the MMCM is routed to a BUFG and then back to the CLKFBIN - this "deskews" the clock. The performance of this interface is specified in the Virtex-6 datasheet as Tpsmmcmcc/Tphmmcmcc, which requires (roughly) a 1.75ns data valid window for accurate capture (it varies by device and speed grade).
The numbers in the datasheet are actually for LVCMOS - for LVDS they will likely be a little better. If your interface has the required valid window, this is the easiest way to go. If the simpler mechanism doesn't work, then you would want to use the I/O clock network. Blacklist IP Check - Hosting Info. Goodatatelia - HotBot.
Uda - Utilidades de Desarrollo de Aplicaciones. English version IMPORTANTE: Debido al cambio de política de albergue de descargas en Google Code, los ficheros de las diferentes versiones se pueden encontrar en Google Drive de UDA.
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It has also been open for discussion on the Technical World Wide Web mailing list (firstname.lastname@example.org). This document is based on a previous working draft under the same title. It is not an official standard backed by a standards body, or owned by any commercial organisation. The latest version of this document can be found on Introduction WWW Robots (also called wanderers or spiders) are programs that traverse many pages in the World Wide Web by recursively retrieving linked pages. In 1993 and 1994 there have been occasions where robots have visited WWW servers where they weren't welcome for various reasons.
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