Xilinx differential driver gtp level

A similar board is available for the xilinx spartan6 gtp transceivers for. Prior to xilinx, doug held positions at advanced micro devices, chips and technologies, aptix corporation and mentor graphics and has been working on pci express since 2002. Doug kern is a staff system design engineer in the advanced interconnect and protocol group aipg at xilinx. The recommended poweron sequence to achieve minimum current draw for the gtp transceivers is v ccint, v mgtavcc, v mgtavtt or v mgtavcc, v ccint. Test setup for hdmi board showing probe point a gtp tx 1 gtp tx 2 sp623 board gtp rx 1 gtp rx 2 stm hdmi level translator hdmi board topology 1 topology 2 probe. Comrades, per the artix7 gtp transceiver clock spec, the vidiff 350 to. Fpga and soc boards trenz electronic trenz electronic.

Xilinx ug393 spartan6 fpga pcb design guide mafiadoc. Moving up from the artix7 level fpga functionality provided by these three socs, the zynq7030 mimics lowerend models of the upperrange kintex7 fpfa family, with 125k logic cells and 400 dsp slices. Keep the traces from the regulators gate driver pins to the mosfet gate pins short and wide to reduce the impedance seen by the gatedrive current. Some of these protocols, the 7 series fpgas transceivers wizard v2. The module uses the 25a max8686 power regulator with internal mosfets to supply all the rails of the 3. Depending on the line common mode voltage, the requirements for tx swing and rx. Interfacing a sdi cable driver to the gtp transmitter outputs. Xilinx is disclosing this user guide, manual, release note, andor specification the documentation to you solely for use in the development of designs to operate with xilin. Browse other questions tagged xilinx differential ise or ask your own question. Maxgtprefdes spartan6 fpga gtp transceiver power module.

Hello everyone, i need to work with the miniitx board. Xilinx recommends the dedicated macro input for best jitter performances. Whether implementation, board level, or any other aspect of the design process, the solution center aims to guide you to the correct information. Virtex5 rocketio gtp transceiver pdf manual download. Dc coupling with 7 series fpgas gtx transceivers xilinx. Dcmplls are not generating a clock, they are deriving multiplieddividedphase shifted clocks from an external clock source, usually a crystal oscillator. Transmit differential pairs for each of the n gtp transceivers used.

At run time, the chipscope analyzer tool communicates to the ibert core through jtag, using the xilinx cables and proprietary logic that is part of the ibert core. I used the transceiver ip generator example design the line rate is. Figure25 shows the aurora 64b66b top level for a duplex configuration. How to design fpgabased advanced pci express endpoint. The xilinx logicore ip displayport interconnect protocol is designed for. Most xilinx fpgas specify minimum and maximum startup ramp rates of 0. Xilinx is the inventor of the fpga, programmable socs, and now, the acap. The safest way is to instantiate a differential pad at your top level e. Gigabit ethernet and integrated usb guarantees high data transfer rates to a host pc. Differential receive data pairs for gtp rx clock transceivers 0 and 1 mgtrxp1 mgtrxn1 mgtrefclkp differential reference clock input pair. But to do that i have to instantiate a clock input differential buffer.

The existing axi ethernet driver in the xilinx git hub supports 1588 for 1g mac and legacy 10g mac and 10g25g mac which does time stamping at the mac level. Using single ended port in logic expecting diffpair. It is very similar to cml and is terminated by a 50. The high speed serial io hssio solution center is a resource to help answer any questions related to the xilinx multigigabit transceivers. About this guide r selectio logic resources advanced selectio logic resources virtex5 fpga rocketio gtp transceiver user guide this guide describes the rocketio gtp transceivers available in the virtex5 lxt and sxt platforms. However, the maximum voltage differential occurs between the voltage rails with this method, which could cause unreliable device behavior. Added new section using gtpclkout to drive the gtp tx, page 73.

It seems that many lvds clock fanout drivers fall short of this. How do i tell vivado that my signal is differential. Powersupply solutions for xilinx fpgas tutorial maxim. But as this is unfortunately the first board im really working with, there are a lot of barriers for me. Hi, i am trying to simulate a single tx hdsdi on an artix7 using vivado2018. What i didnt understand when i wrote this answer, is that the obufds is a socalled primitive. More information may be found on this xilinx zynq comparison chart. How to instanciate xilinx differential clock buffer with. The current driver assumes that axi stream fifo is connected to the mac tx time stamp stream interface at the design level. So for example in my top level i want to have a port like this. The assumption for this example is that the tx driver is able to provide a. Doug has been working in silicon valley since 1982. I want to write a simple chisel3 blinking led design on my ac701 kit artix7.

Xilinx xapp1077 physical layer hdmi receiver using gtp. Discover how to design a xilinx pci express solution with dma engine. Physical layer hdmi receiver using gtp transceivers. A passive external network can be used to overcome this. Spartan6 fpga pcb design and pin planning guide ug393 v1. We will get you to market faster, help you stay competitive in an everchanging world, and keep you at the forefront of your industry.

Xilinx ug386 spartan6 fpga gtp transceivers, user guide. Xilinx delivers the most dynamic processing technology in the industry. Sourcing more than one differential clock input pair from one oscillator. Driving these pins directly is only possible with a driver that has the same commonmode voltage. Instantiate clock in vhdl xilinx normally, we using coregen to generate a clock in implementation. For spartan6 super small xilinx core board fpga development board xc6slx45t 4gbit ddr3 0. Low noise switching supply now used on the xilinx char boards traditional ldo scheme, easy but may be less efficient gts generally dont generate noise extra switching noise unlike fpga. Xilinx xapp1096 dc coupling with 7 series fpgas gtx.

The 7 series fpga solution center is available to address all questions related to 7 series devices. Implementing smpte sdi interfaces with artix7 fpga gtp. The micromodules designed by trenz electronic feature modern fpgas. View 7 series fpga overview datasheet from xilinx inc. Spartan6 fpga gtp transceiver power module simple, compact, and reliable power module for evaluating spartan6 gtp transceiver overview technical documents ordering info user comments 0 all status active. Xilinx is the platform on which your inventions become real. However, because the gtp transmitters line rate is always an integer multiple. Preliminary product specification 2 programmable io blocks supports lvcmos, lvds, and sstl. Equation 1 can be used to determine the first order approximation of the line common mode voltage avtt termination on rx. Xilinx provides a lightwei ght gtp transceivers, block ram, and clocking resources into a compliant endpoint solution.

An10830 interconnection between jesd204a compliant devices. I would not recommend recreating a differential signal inside the chip. Vivado project opens with the ibert example design as the toplevel module. Until now, i have only been using the singleended clock provided with the board. System level powersupply architecture for fpga applications.

Xilinx ug196 virtex5 fpga rocketio gtp transceiver, user guide. Virtex5 fpga ml550 networking interfaces platform xilinx. Ibufds or ibufgds for clocks and then add a tcl constraint to set the type. I am having trouble with how to format the user constraints file to use the differential clock. Displayport is a highspeed serial interface standard supported by pc chipsets, gpus and. View and download xilinx virtex5 rocketio gtp user manual online. View online or download xilinx virtex5 rocketio gtp user manual. How to design a xilinx pci express solution with dma engine.

Doubleclick on u1 to open the assign models dialog box and click the configure model button, as shown in figure 12. Software driver and software application board level initial testboard level initial test. The rx termination use modes are covered in the rx analog front end section of the 7 series fpgas gtxgth transceivers user guide ug476 and 7 series fpgas gtp transceivers user guide ug482, and the suggested protocols for the various termination use modes are also listed there. Gtp and gtz type transceivers of 7 series devices are not supported in the aurora.

The preemphasis level, main driver differential swing and widebandhighpass ratio values should be tuned by hand to provide the best possible biterrorrate for the hardware at hand. Figure 2 shows a highlevel diagram of a dccoupled link. Integrated bit error ratio tester 7 series gtp transceivers. Such as general terms, the vivado software, the creation of testbenches etc so my problem described here is more of a general nature, than board specific i guess. Whether you are starting a new design with 7 series fpgas or troubleshooting a problem, use the 7 series fpga solution center to guide you to the right information. Learn more product updates, events, and resources in your inbox. In all cases, the io levels of the fpga need to be adapted to the low swing, slvs style, io specified for the dphy. In the gtp wizard i disabled the rx as i do not require it. The conditions in table 3 should be met for a reliable dccoupled link. Xilinx virtex5 rocketio gtp user manual pdf download. Spartan6 fpga gtp transceivers advance product specification ug386 v2.

In that frame we can not see the data errors, but we can see that level of. Xarc xilinx advanced reflection cancellation xilinx kintex virtex gtx xilinx virtex7 gth. With small size and highdensity connectors, they can be used nearly everywhere. Physical layer hdmi receiver using gtp transceivers xilinx. Xilinxs ibert tool is able to perform parameter sweeps over these values and report which ones perform best. Other assembly options for cost or performance optimization plus high volume prices available on request. Gtp receiver using a commercial hdmi driver from stmicroelectronics ref 2.