Virtex 7 lvpecl driver

The virtexe multidrop lvds driver adheres to all the ansitiaeia644 lvds standard dc input level speci. Related links fpga boards selection guide fmc modules selection guide htg700. The conditions in table 2 should be met for a reliable dccoupled link. If the output levels of the driver are within the xilinx specified receiver levels, the standard receiver. All xilinx trademarks, registered trademarks, patents, and disclaimers are as listed at. Xpedite2400 xilinx virtex7 fpgabased dsp xmc module. For virtex7 xt and ht except 7vx485t, pick the bundle for gen3. Check stock and pricing, view product specifications, and order online. Termination lvpecl an828 introduction lvpecl is an established high frequency differential signaling standard that requires external passive components for proper operation. Xilinx defensegrade 7 series fpgas comprise three fpga families that address the complete range of system requirements, ranging from low cost, small form factor, costsensitive, highvolume applications to ultra highend connectivity bandwidth, logic capacity, and signal processing capability for the high reliability requirements beyond commercial applications. Interfacing between lvpecl, vml, cml, and lvds levels 5 3. Linking two 7 series fpgas gtx transceivers a reliable dc link can be established between two gtx transceivers. Please refer to this page for best practices on achieving the desired bandwidth.

Wildstar 7 for pcie up to three xilinx virtex 7 fpgas per board with vx690t or vx980t fpgas, up to 4 gb of ddr3 dram for 25. Xilinx xapp1096 dc coupling with 7 series fpgas gtx. Lvds and lvpecl design guide is the virtexe and the. The fpga has interface to two ddr3 memory channels 64bit wide and 16bit wide. Xilinx virtex 7 v2000t development board hitech global. Table 2 compares the output slew rate of lvpecl, lvds and cml drivers from two ti clock drivers, cdcm61004 and cdcm6208. Each virtexe clb contains two 3state drivers bufts that can drive onchip. Virtex 5 industrial grade devices come in two speedgrades. In addition, xilinx offers the spartan lowcost series, which continues to be updated and is nearing production utilizing the same underlying architecture and process node. Page 1 virtex 6 fpga gth transceivers user guide ug371 v2.

Hello, i need some help to interfacing a non xilinx lvpecl 3. If you have a related question, please click the ask a related question button in the top right corner. The virtex7 fpga vc707 evaluation kit is a fullfeatured, highlyflexible, highspeed serial base platform using the virtex7 xc7vx485t2ffg1761c and includes basic components of hardware, design tools, ip, and preverified reference designs for system designs that demand highperformance, serial connectivity and advanced memory interfacing. The lvpecl driver is composed of two lvcmos drivers that. Page 1 virtex6 fpga gth transceivers user guide ug371 v2. The unit has an onboard, reconfigurable fpga which interfaces directly to the amc fclka, tclkad, fmc dp09 and all fmc lahahb pairs. Introduction the xilinx pci and pcix interface cores are preimplemented and fully tested modules for xilinx fpgas. Xilinx assumes no obligation to correct any errors contained in the materials or. That is, theres no reason the pulldowns couldnt be on the driver. Interfacing lvds into lvpecl with dc coupling electrical. Table 168 lists the allowed attributes for the lvpecl io standard. Because the slew rate of lvpecl is fast, it makes the lvpecl signal less sensitive to the noise, which leads to lower jitter. The htg520 provides wide variety of connectors and interfaces including.

Introduction to lvds, pecl, and cml maxim integrated. Conclusion virtex e lvpecl receivers can acquire multidrop lvpecl signals at a rate of up to 311 mbs in the 7 speed grade. Module 1 of 4 product specification 2 obsolete obsolete obsolete obsolete general description the virtex ii family is a platform fpga developed for high. Lvpecl of fers the advantage of high noise immunity over relatively long interconnects. It seems that lvpecl io standard disappeared from 7series fpga. Kintex 7 fpga electrical characteristics kintex 7 fpgas are available in 3, 2, 1, and 1l speed grades, with 3 having the highest performance. Amc516 amc board, xilinx virtex7 690t, module, card.

To use the kintex7 fpga transceiver as a dccoupled receiver it is. Terminating lphcsl to lvpecl with network from figure 1 also add rs33 in series when not integrated in the lphcsl driver. Equation 1 can be used to determine the first order approximation of the line common mode voltage avtt termination on rx. If the output levels of the driver are within the xilinx specified receiver levels, then you can use. Jan 09, 2015 lvpecl can offer the best jitter performance because the slew rate of lvpecl is very fast compared to other differential signal types. Xilinx ug571 ultrascale architecture selectio resources, user guide. The maximum data rate is 311 mbs or a clock of 155. Virtex local routing interconnections among luts, flipflops, and general routing matrix grm. Driving lvpecl, lvds, cml and sstl logic an891 with idts. The xpedite2400 is a highperformance, reconfigurable, conduction or aircooled xmc module based on the xilinx virtex7 family of fpgas. Gtm transceiver lvds oscillator reference clock input buffer x20934053118 lvpecl the following figure shows how an lvpecl oscillator is connected to a reference clock input of a gtm transceiver. Virtex is the flagship family of fpga products developed by xilinx. We are planning to connect this timestamp input with virtex 7 xc7vx485t.

Dccoupled has to be used because the signals are in burst mode. How does the input stage of the fpga look like when defined as lvpecl. The newly created question will be automatically linked to this question. Differential input buffers configured with virtex e and virtex ii fpga lvpecl can be directly connected to 3. And as far as i know, lvpecl doesnt mean openemitter, it just means emittercoupled. Virtex7 fpga family is built on the stateoftheart 28nm hpl process technology for breakout performance, capacity and system integration with up to 2000000 logic cells and up to 68mb bram. Xc7vx690t2ffg1926i xc7vx690t2ffg1926ind at digikey. Virtex local routing interconnections among luts, flipflops, and general routing matrix grm internal clb feedback paths that can chain luts together. Figure 4 lvpecl input dc coupled parallel termination. Xilinx reserves the right, at its sole discretion, to change the documentation without notice at any time. Figure 3 shows the reference design schematic of an industry standard differential lvpecl driver in a multidrop connection to 10 virtex e or other lvpecl receivers. Also this timestamp pins for proper operations are driven by low duty cycle signal, so for longer duration of static high or low the connections should be dc coupled. The virtex e multidrop lvpecl receiver is fully compatible with lvpecl drivers from motorola, micrel, and other companies. The lvpecl signal is driven from the industry standard lvpecl driver on the left, and is daisychained with two 50.

Figure 3 shows the reference design schematic of an industry standard differential lvpecl driver in a multidrop connection to 10 virtexe or other lvpecl receivers. Virtex5 industrial grade devices come in two speedgrades. Pentek 4channel 200 mhz, 16bit ad with virtex7 fpga. Nothing in this agreement shall be construed as creating a joint venture, agency, partnership, trust or other similar association of any kind between the parties hereto. The 7 series fpgas gtx transceivers can be used for dccoupled links. Lvds and lvpecl design guide is the virtexe and the virtexem lvds and lvpecl selectio design guide. Inside the virtex7 fpga vc709 connectivity kit by xilinxinc. Tmds is a currentmode logic cml interface that we use for driving our. Virtex 7 fpga vc707 with labview 2014 ni community. Kintex 7 fpga dc and ac characteristics are specified in commercial, extended, and industrial temperature ranges.

The xpedite2400 is a highperformance, reconfigurable, conduction or aircooled xmc module based on the xilinx virtex 7 family of fpgas. The current texas instruments serial gigabit solution device that has an integrated lvpecl driver is the tnete2201 device. Netfpgasume virtex7 fpga development board digilent. With a x8 pci express interface, external memory, and flexible, highdensity io, the xpedite2400 is ideal for customizable, highbandwidth, dataprocessing applications. A multichannel, highspeed data converter, it is suitable for connection to hf or if ports of a communications or radar system. Module 1 of 4 product specification 18002557778 2 general description the virtexii family is a platform fpga developed for high performance from lowdensity to highdensity designs that. If the specifications match, you can use the standard input termination. Virtex 5 commercial grade devices come in three speedgrades. The zl40206 is an lvpecl clock fanout buffer with eight output clock drivers capable of. The netfpgasume is an amazingly advanced board that features one of the largest and most complex fpgas ever produced, a xilinx virtex 7 690t supporting thirty. Clb 1st ring 2nd ring 751 ps 906 ps 665 ps 723 ps 1st ring of clbs.

For information about the bandwidth limits, please refer to this page. But the bottom line is that he has to look at the datasheet for the driver and receiver to see if he is. Xilinx virtex e fpga databook eecs instructional support. Virtex7 offers many improvements significantly more logic cells, block ram, dsp elements, transceiver performance less power usage stacked silicon interconnect onchip analogtodigital converter onchip system monitoring temperature and supply voltages virtex7 reuses old technology. Specific device support and detailed information thereof, can be accessed from the browse physical devices dialog, accessed from the tools menu in the.

Xilinx xapp3 using the virtex selectio resource, application note. Xilinx expressly disclaims any liability arising out of your use of the documentation. Lvds and lvpecl design guide is the virtex e and the virtex em lvds and lvpecl selectio design guide. All ultrascale devices have configurable selectio drivers and receivers, supporting a wide. For virtex 7 xt and ht except 7vx485t, pick the bundle for gen3. We are planning to connect this timestamp input with virtex7 xc7vx485t. Interfacing between lvpecl, vml, cml and lvds levels. High performance xilinx virtex 7 pcie processing board. Introduction as fpgas continue to grow in size and capacity, the larger and more complex systems designed for them demand an increased variety of io. Singleended voltage swing, based upon 800mvpp at the lphcsl driver figure 4 shows the measured waveform for the network in figure 3 with vdd 2. Equation 1 can be used to determine the first order approximation of the line. Other current product lines include kintex midrange and artix lowcost, each including configurations and models optimized for different applications. Using the virtex selectio resource imperial college london.

Virtexe and virtexem selectio update is included for reference. Virtex5 commercial grade devices come in three speedgrades. Virtex e and virtex em selectio update is included for reference. The model 71760 is the first member of the onyx family of high performance xmc modules based on the xilinx virtex7 fpga. Virtex 7 fpga family is built on the stateoftheart 28nm hpl process technology for breakout performance, capacity and system integration with up to 2000000 logic cells and up to 68mb bram. Hi, is it possible to used virtex 7 fpga vc707 board with labview 2014. Module 2 of 4 production product specification 18002557778 3 eight io banks result from separating each edge of the fpga into two banks, as shown in figure 3. However, virtex ii pro through virtex 5 and spartan33e fpga differen tial receivers cannot directly receive 3. For dc coupled logic, these external components bias both the lvpecl driver into conduction and terminate the associated differential transmission line.