参数资料
型号: HW-SPAR3AN-SK-UNI-G
厂商: Xilinx Inc
文件页数: 112/140页
文件大小: 0K
描述: KIT STARTER SPARTAN-3 AN
产品变化通告: Adapter Replacement 23/May/2008
标准包装: 1
系列: Spartan®-3AN
类型: FPGA
适用于相关产品: Spartan-3AN XC3S700AN-FG484,XCF04S-VOG20C
所含物品: 面板、缆线、软件、数据表和用户手册
相关产品: XC3S700AN-5FGG484C-ND - IC FPGA SPARTAN-3A 700K 484-FBGA
122-1598-ND - IC FPGA SPARTAN -3AN700K 484FBGA
122-1556-ND - IC SPARTAN-3AN FPGA 700K 484FBGA
其它名称: 122-1528
HW-SPAR3AN-SK-UNI-G-PROMO
HW-SPAR3AN-SK-UNI-G-PROMO-ND
Chapter 13: DDR2 SDRAM
R
Reserve FPGA V REF Pins
Five pins in I/O Bank 3 are dedicated as voltage reference inputs, V REF . These pins cannot
be used for general-purpose I/Os in a design. Prohibit the software from using these pins
with the constraints provided in Figure 13-5 .
5i
# Prohibit VREF
CONFIG PROHIBIT
CONFIG PROHIBIT
CONFIG PROHIBIT
CONFIG PROHIBIT
CONFIG PROHIBIT
CONFIG PROHIBIT
CONFIG PROHIBIT
CONFIG PROHIBIT
pins on FPGA I/O Bank 3
= H7;
= J1;
= J8;
= L8;
= N1;
= R6;
= T1;
= T6;
Figure 13-5: UCF Location Constraints for FPGA V REF Pins
Special Layout Recommendations
The Xilinx Memory Interface Generator (MIG) tool, version 1.7 and later, generates DDR2
SDRAM interfaces for Spartan-3A and Spartan-3AN FPGAs. The MIG implementation
leverages the FPGA’s local clocking resources to capture the DDR2 SDRAM read data.
Consequently, there is a close relationship between the memory data pins (SD_DQ<15:8>,
SD_DQ_<7:0>) and their associated strobe signals. The MIG software automatically
assigns pins based on this requirement and the Spartan-3A/3AN Starter Kit board is
designed accordingly.
The MIG core for Spartan-3A/3AN FPGAs includes a loopback signal to calibrate the read
strobe timing. The loopback signal uses two FPGA pins, labeled SD_LOOP_IN and
SD_LOOP_OUT. For best performance, the length of the loop back trace must be equal to
the clock delay from the FPGA to the memory, plus the strobe delay from the memory back
to the FPGA. Put another way, the loopback trace must be one round trip time to and from
the memory. Also, the loopback signal should be in the center of the data interface pins for
best results, not near the edge or in another FPGA I/O bank. The Spartan-3A/3AN Starter
Kit board was designed accordingly.
The Xilinx Memory Interface Generator (MIG) User Guide provides additional layout
recommendations in Appendix A: “Memory Implementation Guidelines” .
The board layout has been optimized for reaching frequencies above 133 MHz and
167 MHz. It can actually achieve the DDR400 performance level of 200 MHz or 400 Mbps
per I/O, with an optimized memory interface controller. It is recommended to get the
latest updates of the MIG tool that integrates the latest performance enhancements.
112
?
?
?
Memory Interface Generator (MIG)
(now included with the CORE Generator? system)
UG086: Xilinx Memory Interface Generator (MIG) User Guide
(included with MIG)
XAPP458: Implementing DDR2-400 Memory Interfaces in Spartan-3A FPGAs
www.xilinx.com Spartan-3A/3AN FPGA Starter Kit Board User Guide
UG334 (v1.1) June 19, 2008
相关PDF资料
PDF描述
HW-V4-ML403-UNI-G-J EVALUATION PLATFORM VIRTEX-4
HW-V4-ML405-UNI-G-J EVALUATION PLATFORM VIRTEX-4
HW-V4-ML410-UNI-G-J EVALUATION PLATFORM VIRTEX-4
HW-V5-ML501-UNI-G EVALUATION PLATFORM VIRTEX-5
HW-V5-ML507-UNI-G EVAL PLATFORM V5 FXT
相关代理商/技术参数
参数描述
HW-SPAR3AN-SK-UNI-G-J 功能描述:KIT STARTER SPARTAN-3 AN RoHS:是 类别:编程器,开发系统 >> 通用嵌入式开发板和套件(MCU、DSP、FPGA、CPLD等) 系列:Spartan®-3AN 产品培训模块:Blackfin® Processor Core Architecture Overview Blackfin® Device Drivers Blackfin® Optimizations for Performance and Power Consumption Blackfin® System Services 特色产品:Blackfin? BF50x Series Processors 标准包装:1 系列:Blackfin® 类型:DSP 适用于相关产品:ADSP-BF548 所含物品:板,软件,4x4 键盘,光学拨轮,QVGA 触摸屏 LCD 和 40G 硬盘 配用:ADZS-BFBLUET-EZEXT-ND - EZ-EXTENDER DAUGHTERBOARDADZS-BFLLCD-EZEXT-ND - BOARD EXT LANDSCAP LCD INTERFACE 相关产品:ADSP-BF542BBCZ-4A-ND - IC DSP 16BIT 400MHZ 400CSBGAADSP-BF544MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542KBCZ-6A-ND - IC DSP 16BIT 600MHZ 400CSBGAADSP-BF547MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF548BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF547BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF544BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF542BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGA
HW-SPAR3A-SK-UNI-G 功能描述:KIT STARTER W/SPARTAN-3A RoHS:是 类别:编程器,开发系统 >> 通用嵌入式开发板和套件(MCU、DSP、FPGA、CPLD等) 系列:Spartan®-3A 标准包装:1 系列:PICDEM™ 类型:MCU 适用于相关产品:PIC10F206,PIC16F690,PIC16F819 所含物品:板,线缆,元件,CD,PICkit 编程器 产品目录页面:659 (CN2011-ZH PDF)
HW-SPAR3A-SK-UNI-G-J 功能描述:KIT STARTER W/SPARTAN-3A RoHS:是 类别:编程器,开发系统 >> 通用嵌入式开发板和套件(MCU、DSP、FPGA、CPLD等) 系列:Spartan®-3A 产品培训模块:Blackfin® Processor Core Architecture Overview Blackfin® Device Drivers Blackfin® Optimizations for Performance and Power Consumption Blackfin® System Services 特色产品:Blackfin? BF50x Series Processors 标准包装:1 系列:Blackfin® 类型:DSP 适用于相关产品:ADSP-BF548 所含物品:板,软件,4x4 键盘,光学拨轮,QVGA 触摸屏 LCD 和 40G 硬盘 配用:ADZS-BFBLUET-EZEXT-ND - EZ-EXTENDER DAUGHTERBOARDADZS-BFLLCD-EZEXT-ND - BOARD EXT LANDSCAP LCD INTERFACE 相关产品:ADSP-BF542BBCZ-4A-ND - IC DSP 16BIT 400MHZ 400CSBGAADSP-BF544MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF542KBCZ-6A-ND - IC DSP 16BIT 600MHZ 400CSBGAADSP-BF547MBBCZ-5M-ND - IC DSP 16BIT 533MHZ MDDR 400CBGAADSP-BF548BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF547BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF544BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGAADSP-BF542BBCZ-5A-ND - IC DSP 16BIT 533MHZ 400CSBGA
HW-SPAR3-CPLD-DK 功能描述:STARTER KIT BUNDLE SPARTAN3/CPLD RoHS:否 类别:编程器,开发系统 >> 过时/停产零件编号 系列:- 标准包装:1 系列:- 传感器类型:CMOS 成像,彩色(RGB) 传感范围:WVGA 接口:I²C 灵敏度:60 fps 电源电压:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相关产品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP
HW-SPAR3-CPLD-DK-J 功能描述:KIT HDWR FOR SPARTAN3/CPLD-JAPAN RoHS:否 类别:编程器,开发系统 >> 过时/停产零件编号 系列:- 标准包装:1 系列:- 传感器类型:CMOS 成像,彩色(RGB) 传感范围:WVGA 接口:I²C 灵敏度:60 fps 电源电压:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相关产品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP