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教程资料 XAPP694-从配置PROM读取用户数据

This application note describes how to retrieve user-defined data from Xilinx configurationPROMs (XC18V00 and Platform Flash devices) after the same PROM has configured theFPGA. The method to add user-defined data to the configuration PROM file is also discussed.The reference design described in t ...
https://www.eeworm.com/dl/fpga/doc/32574.html
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教程资料 XAPP228 -Virtex器件内的四端口存储器

This application note describes how the existing dual-port block memories in the Spartan™-IIand Virtex™ families can be used as Quad-Port memories. This essentially involves a dataaccess time (halved) versus functionality (doubled) trade-off. The overall bandwidth of the blockmemory in ...
https://www.eeworm.com/dl/fpga/doc/32585.html
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教程资料 XAPP806 -决定DDR反馈时钟的最佳DCM相移

This application note describes how to build a system that can be used for determining theoptimal phase shift for a Double Data Rate (DDR) memory feedback clock. In this system, theDDR memory is controlled by a controller that attaches to either the OPB or PLB and is used inan embedded microproces ...
https://www.eeworm.com/dl/fpga/doc/32600.html
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教程资料 XAPP520将符合2.5V和3.3V I/O标准的7系列FPGA高性能I/O Bank进行连接

XAPP520将符合2.5V和3.3V I/O标准的7系列FPGA高性能I/O Bank进行连接  The I/Os in Xilinx® 7 series FPGAs are classified as either high range (HR) or high performance (HP) banks. HR I/O banks can be operated from 1.2V to 3.3V, whereas HP I/O banks are optimized for operation between 1.2V and ...
https://www.eeworm.com/dl/fpga/doc/32622.html
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通信网络 HITECH与电脑的通信协议

1 Communication Protocol (Computer as master)   The communication protocol describes here allows your computer to access 4096 internal registers (W0000-W4095) and 1024 internal relays&n ...
https://www.eeworm.com/dl/564/32771.html
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通信网络 ISM射频接收器的基带计算

Abstract: Many industrial/scientific/medical (ISM) band radio frequency (RF) receivers use an external Sallen-Key datafilter and a data slicer to generate the baseband digital output. This tutorial describes the ISM-RF Baseband Calculator,which can be used to calculate the filter capacitor values ...
https://www.eeworm.com/dl/564/33532.html
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通信网络 带有SerDes接口的PLB千兆位级以太网MAC

This application note describes a reference system which illustrates how to build an embeddedPowerPC® system using the Xilinx 1-Gigabit Ethernet Media Access Controller processor core.This system has the PLB_Gemac configured to use Scatter/Gather Direct Memory Access andthe Serializer/Deserial ...
https://www.eeworm.com/dl/564/33745.html
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通信网络 PowerXR I2C通信时序

This article describes the procedure to configure and program EXAR Corporation’s PowerXR Digital Power devicesvia I2C interface. Details shown here apply to XRP7704/08/40 and XRP7713/14 devices and PowerArchitectsoftware version 3.00.
https://www.eeworm.com/dl/564/33810.html
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传感与控制 如何选择补偿的硅压力传感器

Abstract: This reference design provides design ideas for a cost-effective, low-power liquid-level measurement dataacquisition system (DAS) using a compensated silicon pressure sensor and a high-precision delta-sigma ADC. Thisdocument discusses how to select the compensated silicon pressure sensor ...
https://www.eeworm.com/dl/562/34314.html
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嵌入式综合 CodeWarrior开发套件简明指南

The CodeWarrior Development Suite provides access and technical support to amultitude of CodeWarrior products. In this quick start guide, Section 1 explains howto register your CodeWarrior Development Suite. Section 2 explains how to activateand install one of your products. Section 3 describes wh ...
https://www.eeworm.com/dl/566/34947.html
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