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单片机编程  LSI逻辑公司的低成本语音处理器

LSI逻辑公司的低成本语音处理器目前，对适合家庭和小办公室应用的Voice over IP (VoIP)的解决方案的需求在不断增长。市场需求的是非常低成本的两到四路语音话路。LSI逻辑公司的解决方案能够以非常低的成本却非常有效地处理高达四路的语音话路，并且可在电话适配器、宽带调制解调器以及路由器、网关中得到广泛应用。这些产 ...

https://www.eeworm.com/dl/502/30540.html

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单片机编程  PCA9517 Level translating I2C-

The PCA9517 is a CMOS integrated circuit that provides level shifting between lowvoltage (down to 0.9 V) and higher voltage (2.7 V to 5.5 V) I2C-bus or SMBus applications.While retaining all the operating modes and features of the I2C-bus system during thelevel shifts, it also permits extension of t ...

https://www.eeworm.com/dl/502/30990.html

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单片机编程  PCA9519 4channel level transla

The PCA9519 is a 4-channel level translating I2C-bus/SMBus repeater that enables theprocessor low voltage 2-wire serial bus to interface with standard I2C-bus or SMBus I/O.While retaining all the operating modes and features of the I2C-bus system during thelevel shifts, it also permits extension of ...

https://www.eeworm.com/dl/502/31002.html

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单片机编程  基于单DSP的VoIP模拟电话适配器研究与实现

基于单DSP的VoIP模拟电话适配器研究与实现:提出和实现了一种新颖的基于单个通用数字信号处理器(DSP)的VoIP模拟电话适配器方案。DSP的I/O和存储资源非常有限，通常适于运算密集型应用，不适宜控制密集型应用[5]。该系统高效利用单DSP的I/O和片内外存储器资源，采用μC/OS-II嵌入式实时操作系统，支持SIP和TCP-UDP/IP协议，通 ...

https://www.eeworm.com/dl/502/31148.html

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单片机编程  Designing Boards with Atmel AT

Designing Boards with Atmel AT89C51, AT89C52, AT89C1051, and AT89C2051 for Writing Flash at In-Circuit Test:Recent improvements in chips andtesters have made it possible for thetester to begin taking over the role traditionallyassigned to the PROM programmer.Instead of having a PROM programmerwrite ...

https://www.eeworm.com/dl/502/31192.html

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单片机编程  USB Demonstration for DK3200 w

The μPSD32xx family, from ST, consists of Flash programmable system devices with a 8032 MicrocontrollerCore. Of these, the μPSD3234A and μPSD3254A are notable for having a complete implementationof the USB hardware directly on the chip, complying with the Universal Serial Bus Specification, Revis ...

https://www.eeworm.com/dl/502/31371.html

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教程资料  采用TÜV认证的FPGA开发功能安全系统

This white paper discusses how market trends, the need for increased productivity, and new legislation have accelerated the use of safety systems in industrial machinery. This T&Uuml;V-qualified FPGA design methodology is changing the paradigms of safety designs and will greatly reduce development e ...

https://www.eeworm.com/dl/fpga/doc/32285.html

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教程资料  Analog Solutions for Xilinx FPGAs

Designing withProgrammable Logicin an Analog WorldProgrammable logic devicesrevolutionized digital design over 25years ago, promising designers a blankchip to design literally any functionand program it in the field. PLDs canbe low-logic density devices that usenonvolatile sea-of-gates cells calle ...

https://www.eeworm.com/dl/fpga/doc/32538.html

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教程资料  Analog Solutions for Altera FPGAs

Designing withProgrammable Logicin an Analog WorldProgrammable logic devices revolutionizeddigital design over 25 years ago,promising designers a blank chip todesign literally any function and programit in the field. PLDs can be low-logicdensity devices that use nonvolatilesea-of-gates cells calle ...

https://www.eeworm.com/dl/fpga/doc/32541.html

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教程资料  XAPP098 - Spartan FPGA低成本、高效率串行配置

This application note shows how to achieve low-cost, efficient serial configuration for Spartan FPGA designs. The approachrecommended here takes advantage of unused resources in a design, thereby reducing the cost, part count, memory size,and board space associated with the serial configuration ci ...

https://www.eeworm.com/dl/fpga/doc/32590.html

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