参数资料
| 型号： | HW-USB-II-G |
| 厂商： | Xilinx Inc |
| 文件页数： | 17/35页 |
| 文件大小： | 0K |
| 描述： | PLATFORM CABLE USB II |
| 产品培训模块： | Extended Spartan 3A FPGA Family S6 Family Overview |
| 标准包装： | 1 |
| 附件类型： | USB 平台线缆 |
| 适用于相关产品： | Xilinx FPGA、CPLDS、平台闪存 PROM、XC18V00 PROM、系统 ACE MPM |
| 产品目录页面： | 600 (CN2011-ZH PDF) |
| 其它名称： | 122-1572 |
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Platform Cable USB II
Direct SPI
Platform Cable USB II can connect directly to a single SPI flash device. Figure 18, page 18 shows an example SPI flash
connection. XAPP951 , Configuring Xilinx FPGAs with SPI Serial Flash provides additional details of the cable connections
necessary to program a FPGA bitstream into a SPI flash device.
Note: See Configuring Xilinx FPGAs with SPI Serial Flash for a list of supported SPI devices.
By connecting PGND to PROG_B of the FPGA ( Figure 17 ), the FPGA can be commanded to set its SPI signals to high-Z
while the cable programs a SPI flash device. PGND is pulled Low when the cable is driving its SPI signals in SPI mode and
set to high-Z when the cable is not driving its SPI signals. PGND eliminates the need for a hardware jumper to ground on the
PROG_B signal and the need for additional control logic. PGND is controlled by an open-drain driver.
Note: PGND control for SPI programming is available in iMPACT versions 9.2i and later.
X-Ref Target - Figure 17
V CCAUX(2)
2-mm Connector
V CCAUX(2)
470 Ω (4 )
V REF
2
DONE
8
PROG
DONE
PROG
DONE
PROG DONE
PROG
4
DIN 10
DIN
FPGA 1
DOUT
DIN
FPGA 2
DOUT
DIN
FPGA n
DOUT
INIT 14
CCLK 6
V CCO (2)
INIT
CCLK (1)
INIT
CCLK (1)
INIT
CCLK (1)
GND (3)
*
DS593_17_021408
Notes:
1.
2.
3.
4.
Set Mode pins (M2-M0) on each FPGA to Slave-Serial mode when using the USB cable, so the CCLK is treated as an input.
Example uses generalized nomenclature for the voltages-supply levels. Refer to the device data sheet for the appropriate serial configuration
voltage-supply levels.
Attach the following 2-mm connector pins to digital ground: 3, 5, 7, 9, and 11.
A pull-up is required when two or more devices are cascaded and programmed for open-drain operation.
Figure 17: Example of Cascaded Slave-Serial Topology
DS593 (v1.2.1) March 17, 2011
17
相关PDF资料 |
PDF描述 |
|---|---|
| HW-USBN-2A | ACCY USB DOWNLOAD CABLE STD SPD |
| HW-V4-ML401-USA | EVALUATION PLATFORM VIRTEX-4 |
| HW-V4-ML423-UNI-G | EVALUATION PLATFORM VIRTEX-4 |
| HW-V4SX35-VIDEO-SK-UK | VIRTEX-4 VIDEO STARTER KIT |
| HW-V5-ML521-UNI-G | EVALUATION PLATFORM VIRTEX-5 |
相关代理商/技术参数 |
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| HW-USBN-2A | 功能描述:程序设计器配件 ispDOWNLOAD Cable RoHS:否 制造商:Lattice 产品:ispDOWNLOAD Cables 用于:In-system Programming |
| HW-USBN-2B | 功能描述:Lattice Programmable Products ispDOWNLOAD? In-System Programmer 制造商:lattice semiconductor corporation 系列:ispDOWNLOAD? 零件状态:有效 类型:系统内编程器 配套使用产品/相关产品:Lattice 可编程产品 内容:编程器 标准包装:1 |
| HW-UW 30 | 制造商:OK International (OKI) / Metcal 功能描述:WRAPPING AND UNWRAPPING TOOL HAND 制造商:OK International (OKI) / Metcal 功能描述:WRAPPING AND UNWRAPPING TOOL, HAND |
| HW-UW-18-19 | 功能描述:手工工具 WRAP-UNWRAP TOOL, 18-19 AWG RoHS:否 制造商:Molex 产品:Extraction Tools 类型: 描述/功能:Extraction tool |
| HW-UW18-19 | 制造商:Jonard Industries 功能描述:WRAP-UNWRAP TOOL, 18-19 AWG |
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