Can a bufgmux drive a global clock directly in the spartan 3. Dcm using clk2x feedback may lose lock applications affected by this issue. The spartan3an fpgas are part of the extended spartan3a family, which also includes the spartan3a fpgas and the higher density spartan3a dsp fpgas. Advance product specification5clock managementeach spartan6 fpga has up to six cmts, each consisting of two dcms and one pll, which can be used individually orconcatenated. Since this product is retired, documentation and support may be limited. Introducing the spartan 3e fpga and vhdl i introducing the spartan 3e fpga and vhdl. The eightmember family offers densities ranging from 50,000 to five million system gates, as shown in table 1. Xilinx ds099e09 xc3s5000 fpga errata and deviations from. Spartan 3 xc3s4000l fpga errata and deviations from spartan 3 data sheet hardware errata details this section provides a detailed description of each hardware issue known at the release time of this document.
Xilinx spartan3 libraries guide for schematic designs. For frequencies this low, most users usually drive the clock at a higher rate and use a divider to generate a chip enable at the appropriate sub. Because of their exceptional dsp priceperformance ratio, spartan3a dsp fpgas are ideally suited to a wide range of consumer electronics applications, such as broadband access, home networking, displayprojection, and digital television. The spartan 3e fpga csee 3710 the spartan 3e fpga whats inside the chip. The part number in the basys2 reference manual is wrong order something like. Xilinx ds099 spartan3 fpga family complete data sheet. Spartan 3l family the lowpower version of the spartan 3 family. Page, figure, and table numbers begin at 1 for each module, and each module has. Xilinx xapp462 using digital clock managers dcms in spartan. However, the spartan3 dcm is the third generation in dcm design with. Ug382, spartan 6 fpga clocking resources user guide 3, application note.
I need to create a programable external sampling clock for a 16bit adc that feeds into a spartan chip, in the range of 0100mhz in some reasonable number of steps. I find using the core generator is the best way to configure a dcm. I am trying to use a bufgmux as input to the clk pin of the dcm so that i can switch between 2 clock sources. Refer to the spartan 3l datasheet ds3 for any differences. Here you will find all the reference materials that digilent has created for this board, as well as links to any external content we have tracked down. Apr 27, 2005 proper use of bufgmux and dcm in spartan 3. Two important documents linked to the class web site spartan3e family complete data sheet.
Digital clock manager dcm clock network configuration powering spartan3e fpgas module 3. Digital clock manager dcm blocks provide selfcalibrating, fully digital solutions for distributing. The dcm can accept and trac k typical spreadspectrum cloc k inputs, provided the y abide by the input clo ck specifications. Ds160 datasheet510 pages xilinx spartan6 family overview. Xilinx ds099e08 xc3s4000l fpga errata and deviations. Xilinx ug331 spartan3 generation fpga user guide ensiwiki. The spartan3 family of fieldprogrammable gate arrays is specifically designed to meet the needs of high volume, costsensitive consumer electronic applications. The virtex 2 user guide has a very good writeup on using the dcm this is not the datasheet. Configurable logic blocks clbs contain rambased lo okup tables luts to implement logic and storage elements that can be used as flipflops or latches. Xilinx spartan6 libraries guide for schematic designs.
Fpga, spartan 3a, dcm, 68 ios, 334 mhz, 4032 cells, 1. Enable user editing in fpga editor for each dcm used in the design select the dcm block using the cursor. But i need to generate 25mhz clock to send vsync and hsync singnals. The spartan 3 fpga data sheet, solutions presented in this application note are useful when it is necessary to configure spartan 3 fpgas, 2. Absolute maximum ratings symbol description conditions min max units.
The dcm blocks are located at the top and bottom of the block. Xilinx ds099 spartan3 complete data sheet start kondor. Using digital clock managers dcms in spartan3 fpgas. Spartan 3 xc3s5000 fpga errata and deviations from spartan 3 data sheet figure 3. Xilinx ds705 xa spartan3a dsp automotive fpga family.
Page, figure, and table numbers begin at 1 for each module, and each module has its own revision history at the end. Pdf design and implementation of fpga based high resolution. Spartan 3 libraries guide for schematic designs 4 w w w. The variable phase shift is different between spartan3 and spartan3e. This document includes all four modules of the spartantm3 fpga data sheet ds0991 v1. Jump to solution one of the main points for using dcm driving pll is that the pll doesnt have fine control over phase shifting the dcm does. Xc3s400 datasheet spartan3 field programmable gate array. Lxt subfamily extends lx devices by adding up to eight 3. I know that you can drive the input of a dcm from the output of a bufgmux and then drive the global clock from there. Xilinx ds312 spartan3e fpga family complete data sheet. Digital clock manager dcm blocks provide selfcalibrating, fully digital solutions for distributing, delaying, multiplying, dividing, and phase shifting clock signals. Digital clock manager dcm blocks provide selfcalibrating, fully digital solutions for distributing, delaying, multiplying. Xc3s200 datasheet spartan3 field programmable gate array.
Can somebody point me to some beginner or introductory dcm data sheets or app notes. Spartan 3 xc3s1500l fpga errata and deviations from spartan 3 fpga data sheet description of issue three voltagesupply inputsvccint, vccaux and the vcco supply to bank 4control the behavior of the spartan 3 fpga power on reset por circuit. Digital clock manager dcm blocks provid e selfcalibrating, fully digital solutions for distributing, delay ing, multiplying, dividing, and phase shifting clock signals. Spartan 3an fpga family data sheet ds557 june 12, 2014 product specification table 1. The selectio f eature of spartan3 device s suppor ts eighteen sing leended standard s and eight diff erential standards as listed in ta b l e 2. The spartan 3e fpga data sheet is created and published in separate modules. Steve knapp xilinx spartan 3 generation fpgas 4406 4. Xc3s4004pq208c xilinx inc, xc3s4004pq208c datasheet. Aseparateversionof thisguideisavailableifyouprefertoworkwithhdl.
Xa spartan 3a dsp automotive fpga family data sheet ds705 v2. Could anybody explain me the main differences between the spartan 2 and spartan 3. Product specification 3 architectural overview the spartan 3an fpga architectu re is compatible with that of the spartan 3a fpga. Figure 3 shows the top marking for spartan 3 fpgas in bga packages except the 2ball spartan package. Xilinx ds312 spartan3e fpga family data sheet, data sheet. Figure 4 shows the top marking for spartan 3 fpgas in the cp2 and cpg2 packages. Spartan 3 fpgas in bga packages except the 2ball chipscale package cp2 and cpg2. The xilinx spartan6 fpga family provide leading system integration capabilities with lowest total cost for high volume applications. Digital clock manager dcm clock network configuration module 3.
The digital clock manager module is a wrapper around the dcm primitive which allows it to be used in the edk tool suite. Product specification 2 refer to ds610, spartan 3a dsp fpga family data sheet for a full product description, ac and dc specifications, and package pinout descriptions. Id like to double check my assumptions about using the spartan 3 dcm in combination with a bufgmux. Xilinx xapp462 using digital clock managers dcms in spartan3. The spartan3 family architecture consists of five fundamental programmable functional elements. The markings for the bga packages are nearly identical to those for the quadflat pa ckages, except that the marking is rotated with respect to the ball a1 indicator. Digital clock manager dcm blocks provide selfcalibrating. Use the pdf bookmarks for easy navigation in this volume. If the design uses a dcm in the clock path, then the delay element can be safely set to.
Spartan6 fpga family comprises two domain optimized subfamilies lx logic optimized and lxt high speed. The spartan 3a3e dcm has a max limit for what you can do for the phase shift. Preface aboutthisguide thisschematicguideispartoftheisedocumentationcollection. Because of their exceptionally low cost, spartan3 fpgas are ideally. It is built on 45nm technology and ideally suited for advanced bridging applications in automotive infotainment, consumer and industrial automation. As shown in figure 1, most spartan3 fpgas have four dcm blocks, except for the xc3s50. The digital clock manager dcm primitive in xilinx fpga parts is used to implement delay locked loop, digital frequency synthesizer, digital phase shifter, or a digital spread spectrum. Pdf ug331 guidesug332 manual spartan 3 xc3s400 evaluation kit hcl l21 usb power supply circuit diagram verilog code for modified booth algorithm vhdl code for lcd of spartan3e ug331 verilog for 8 point fft using fpga.
This spartan6 fpga data sheet, part of an overall set of documentation on the spartan6 family of fpgas, is available on. Digital clock manager dcm blocks pro vide selfcalibrating, fully digital solutions for distributing, delaying, multiplying. Spartan3a dsp devices run at 250 mhz in the lowest cost, standard 4 speed grade. The spartan3 digital clock manager dcm is nearly functionally identical to the dcm units found in virtexii and virtexii pro fpga families.
This dialog sets up the clock buffers for all the dcm clock outputs selected in the general setup dialog. This is part of the architecture itself and that is why you would see this in hw as well. Xilinx is disclosing this user guide, manual, release note, andor specification the documentation to. Xilinx xapp462 using digital clock managers dcms in. Click the edit mode button from the icon bar, as shown in figure 4. I am writing a vga driver program in verilog on a spartan 3e fpga board papilio one 500k bundled with logicstart megawing. The architecture consists of five fundamental programmable functional elements. Page 1 spartan 3 starter kit board user guide ug v1.
Dcmthe dcm provides four phases of the input frequency clkin. Can a bufgmux drive a global clock in the spartan3. Added links to new reference designs using the spartan3e and spartan3a starter kit. Dcm locations and clock distribution network interface xapp462 v1. The dcm can accept and trac k typical spreadspectrum cloc k. Familiarity with all the major components of the spartan3e fpga.
Xilinx ds099e06 xc3s1500l fpga errata and deviations. Updated block ram, dcm, and multiplier counts for the xc3s50. Introducing the spartan 3e fpga and vhdl ii revision history number date description name 0. Xc6slx25t2fgg484c xilinx inc, xc6slx25t2fgg484c datasheet. The spartan 3 fpga data sheet is created and published in separate modules. Production status of spartan 3an fpgas spartan 3an fpga status xc3s50an production.
Using digital clock managers dcms in spartan 3 fpgas the dcm architecture wizard can also be useful for example instantiations. Xilinx ug332 spartan3 generation configuration user guide. The spartan3 family builds on the success of the earlier. The spartan3an fpgas are part of the extended spartan3a family, which also includes the spartan3a fpgas and the higher density spartan3a. However, the spartan3 dcm is the third generation in dcm design with some improved capabilities over previous fpga families. Spartan6 lxt fpgas are optimized to provide the industrys lowest risk and lowest cost solution for serial connectivity. Simply order before 8pm and we will aim to ship instock items the same day so that it is delivered to you the next working day. Buy xc6slx92tqg144i xilinx fpga, spartan 6, dcm, pll, 102 ios, 375 mhz, 9152 cells, 1. The frequency of the internal clock of spartan 3e is 32mhz. Ic spartan 3 fpga 400k 208pqfp online from elcodis, view and download xc3s4004pq208c pdf datasheet, embedded. The family combines all the features of the spartan3a fpga family plus leading technology insystem flash memory for configuration and nonvolatile data storage. This document includes all four modules of the spartantm 3 fpga data sheet ds0991 v1.
Among these three architectures, first one is based on the dcm digital clock. Dskitfx12mm1g spartan 3 xc3s400 based mxs3fk virtex5 lx110 spartan 3 xc3s400 virtex 5 lx50t virtex5 ddr2 controller aesxlxv4fxpcie100g virtex 5 fpga based image processing mxs3fkpq208001im. Advance product specification5clock managementeach spartan 6 fpga has up to six cmts, each consisting of two dcms and one pll, which can be used individually orconcatenated. Fpga spartan3 family 1m gates 17280 cells 725mhz 90nm technology 1.
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