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通信設(shè)計(jì)應(yīng)用
電子發(fā)燒友網(wǎng)本頻道為通信技術(shù)專欄，提供詳細(xì)的通信設(shè)計(jì)最新技術(shù)與應(yīng)用；是您學(xué)習(xí)通信技術(shù)知識(shí)的好平臺(tái)。
怎樣使用MAXQ3180微控制器的串行外設(shè)接口(SPI)
摘要：MAXQ3180微控制器是電表多相模擬前端。它具備現(xiàn)代多功能電表的所有功能。MAXQ3180通過串行外設(shè)互聯(lián)(SPI™)總線將其讀數(shù)傳送給主機(jī)微控制器。本應(yīng)用筆記介紹怎樣實(shí)現(xiàn)這一...
2009-04-23 標(biāo)簽：微控制器 819
在音頻衰減器電路中使用MAXQ3210
摘要：本應(yīng)用筆記介紹一種可自動(dòng)實(shí)現(xiàn)立體聲音頻衰減器的系統(tǒng)。MAXQ3210低功耗16位RISC微控制器是系統(tǒng)控制器，它產(chǎn)生各種時(shí)序間隔，驅(qū)動(dòng)音頻信號(hào)逐漸衰減，以靜音狀態(tài)結(jié)束。使用...
2009-04-23 標(biāo)簽：MAXQ3210 2384
IC總線的驗(yàn)證及實(shí)現(xiàn)
摘要：本應(yīng)用筆記簡(jiǎn)I²C總線的驗(yàn)證及實(shí)現(xiàn)單回顧了I²C總線的發(fā)展進(jìn)程，并介紹了I²C配置，以簡(jiǎn)化總線上主機(jī)與從機(jī)之間的通信。應(yīng)用實(shí)例提供了原理圖和程序代碼，附錄1...
2009-04-23 標(biāo)簽：IC總線 1983
采用MAXQ1103評(píng)估套件和面向MAXQ30的CrossW
摘要：本應(yīng)用筆記介紹怎樣針對(duì)MAXQ1103微控制器開發(fā)、構(gòu)建并調(diào)試應(yīng)用程序。這本應(yīng)用筆記使用了Rowley Associates公司為MAXQ30平臺(tái)提供的CrossWorks C編譯器。 引言MAXQ...
2009-04-23 標(biāo)簽：編譯器 798
采用MAXQ2000 USB “拇指”評(píng)估套件進(jìn)行設(shè)計(jì)
摘要：本應(yīng)用筆記介紹使用USB “拇指”評(píng)估(EV)套件快速開發(fā)MAXQ2000 RISC微控制器所需要的步驟。文檔解釋了怎樣安裝和配置評(píng)估套件的硬件和軟件，怎樣開發(fā)并裝入板上MAXQ2000微控制...
2009-04-23 標(biāo)簽：usb 792
采用MAXQ1850評(píng)估套件(EV kit)和面向MAXQ3
摘要：本應(yīng)用筆記介紹怎樣針對(duì)MAXQ1850高性能、RISC、安全微控制器開發(fā)、構(gòu)建并調(diào)試應(yīng)用程序。實(shí)例采用了MAXQ1850評(píng)估套件(EV kit)和Rowley Associates公司提供的CrossWorks C編譯器。 ...
2009-04-23 標(biāo)簽：編譯器 857
憑借非易失性內(nèi)存服務(wù)MAXQ 處理器-Leveraging
Abstract: Applications that require nonvolatile data storage almost always use an external serial EEPROM. This article describes how to provide nonvolatile data storage by using only the flash memory already available in the MAXQ microcont...
2009-04-23 標(biāo)簽：處理器 552
如何配置DS89C430雙串口不同定時(shí)器使用的Keil C編
Abstract: The DS89C430 and other high-speed microcontrollers have two identical serial ports. This application note introduces the user to the universal asynchronous receiver/transmitter used in the microcontrollers. The application note d...
使用高速M(fèi)icro的串口-Using the High-Sp
Abstract: The Dallas Semiconductor DS80C320 and other high-speed microcontrollers has two identical serial ports. This application note introduces the user to the universal synchronous/asynchronous receiver/transmitter, or USART, as used i...
2009-04-23 標(biāo)簽：串口 1027
DS80C320內(nèi)存接口時(shí)序-DS80C320 Memory
Abstract: This application note addresses the Dallas Semiconductor DS80C320 high-speed microcontroller when used with external program memory. Due to the high speed of this device, critical memory interface timing constraints are examined....
高速微型存儲(chǔ)器接口時(shí)序-High-Speed Micro M
Abstract: This application note addresses external memory interfacing with Maxim high-speed microcontrollers other than the DS80C320. A systems designer using these microcontrollers must be aware of multiplexed address/data latch requireme...
存儲(chǔ)器擴(kuò)展的高速微控制器家族-Memory Expansio
Abstract: This application note examines the use of memory expansion beyond the on-chip memory capability of high-speed microcontrollers. Bank switching is examined beyond the 64kB memory map. A discussion of ROMless program expansion, sim...
公司的RAM納入微控制器的設(shè)計(jì)指引-Design Guide
Abstract: This application note will help the user of the Dallas Semiconductor secure microcontroller and high-speed microcontroller improve reliability when implementing nonvolatile SRAM. This note is applicable to the Secure and High-Spe...
2009-04-23 標(biāo)簽：微控制器 770
微控制器的設(shè)計(jì)指引進(jìn)修信號(hào)噪聲降低-Microcontrol
Abstract: When using a Dallas Semiconductor high-speed microcontroller with external memory, noise from P0 switching could couple to ALE. With careful board layout and a good understanding of induced noise on a multiplexed address/data bus...
2009-04-23 標(biāo)簽：微控制器 770
12位ADC升級(jí)移植內(nèi)部8位ADC-12-Bit ADC U
Abstract: This article explains how to upgrade the ADC conversion resolution of an 87C752 microcontroller from 8 bits to 12 bits. The analog-to-digital converter is replaced automatically by sensing the presence of the external MAX186 or M...
2009-04-23 標(biāo)簽：adc 1545
8051微控制器：常見問題-8051 Microcontro
Abstract: The 8051 Microcontroller: Frequently Asked Questions offers the reader quick answers to possible problems encountered while using Maxim microcontrollers such as the DS89C450, DS80C320, DS80C323, DS80C390, DS5250. These high-speed...
2009-04-23 標(biāo)簽：微控制器 796
Interfacing the MAX7651/MAX765
Abstract: This article covers the specific hardware description and software routines required to interface the MAX7651 and MAX7652 12-bit data acquisition system to the 24C02 2-wire serial EEPROM. Detailed software code is provided. Since...
2009-04-23 標(biāo)簽：Interfacin 1491
使用DS1814 MicroMonitor來控制微處理器重置
Abstract: The following application note shows simple circuits using the DS1814 MicroMonitor. Circuits include interfacing with an 8051 microprocessor, interfacing with a PIC microcontroller, and using an LED to indicate reset. ...
2009-04-23 標(biāo)簽：微處理器 743
指定石英晶體-Specifying Quartz Cryst
Abstract: This article explains the specifications and characteristics of crystals and crystal oscillators, and aids in specifying crystals and working with crystal vendors. The article covers the significant performance characteristics of...
2009-04-23 標(biāo)簽：石英晶體 1382
超高速微控制器硬件串口能力增強(qiáng)-Ultra High Spe
Abstract: This application note looks at the new serial port features found in the Dallas Semiconductor DS89C430 and DS89C450 ultra high-speed microcontrollers. The addition of a clock multiplier allows the user to benefit by selecting a c...
DS89C430/DS89C450超高速閃存微控制器存儲(chǔ)器接
Abstract: The Dallas Semiconductor DS89C430 ultra high-speed microcontroller is a 1-clock-per-machine-cycle device. The DS89C430 can be used as a drop-in replacement for older 8051 architecture designs. However, memory interface timing mus...
2009-04-23 標(biāo)簽：存儲(chǔ)器 1030
Interfacing to the DS1631 Digi
Abstract: This application note introduces the user to software for interfacing a DS5000 (8051 compatible) microcontroller to the DS1631 temperature sensor. The DS1631 incorporates a standard 2-wire serial digital interface. Software code ...
2009-04-23 標(biāo)簽：Interfacin 1060
實(shí)施串口FIFO的雙數(shù)據(jù)指針-Implementing a
Abstract: The Dallas Semiconductor high-speed microcontroller family allows the system designer to optimize serial communications via the internal UART. This application note demonstrates the use of a circular buffer utilizing the dual dat...
2009-04-23 標(biāo)簽：數(shù)據(jù)指針 1284
快速內(nèi)存?zhèn)鬏數(shù)某咚匍W存微控制器-Fast Memory T
Abstract: The Dallas Semiconductor Ultra High-Speed Flash microcontroller features dual data pointers with auto increment/decrement and toggle select. This application note compares origingal 8051 architecture using one data pointer to the...
2009-04-23 標(biāo)簽：微控制器 698
A Collection of Extended Math
Abstract: This article gives assembly code examples for reserving internal memory, simple ASCII conversion, 32-bit subtraction, 16x16 multiple and 32-bit divide using 8051-compatible microcontrollers such as the MAX7651 and MAX7652. ...
2009-04-23 標(biāo)簽：MAX7651 925
偽隨機(jī)數(shù)生成常規(guī)的MAX765x微處理器-Pseudo-Ra
Abstract: This application note gives a function for random number generation using the MAX7651/52 microcontroller with 12-bit analog-to-digital converter (ADC). Applications such as spread-spectrum communications, securi...
2009-04-23 標(biāo)簽：微處理器 1200
高速8051微控制器：引領(lǐng)成長(zhǎng)與創(chuàng)新之路
摘要：本文介紹了Dallas Semiconductor對(duì)傳統(tǒng)8051微控制器的改進(jìn)技術(shù)，創(chuàng)造了引腳兼容的高性能替代產(chǎn)品，能夠達(dá)到33 MIP的速度。除此之外，還包括多數(shù)據(jù)指針、擴(kuò)展存儲(chǔ)器尋址(達(dá)16MB)...
2009-04-23 標(biāo)簽：微控制器 899
微控制器時(shí)鐘―選擇晶振諧振槽路、RC振蕩器還是硅振蕩器？
摘要：晶振、陶瓷諧振槽路、RC (電阻、電容)振蕩器以及硅振蕩器是適用于微控制器(µC)的四種時(shí)鐘源。針對(duì)具體應(yīng)用優(yōu)化時(shí)鐘源設(shè)計(jì)依賴于以下因素：成本、精度和環(huán)境參數(shù)。...
2009-04-23 標(biāo)簽：微控制器 1100
Driving LEDs with Constant Cur
Abstract: This application note discusses techniques to drive LEDs with the MAX6956 and MAX6957 I²C and SPI constant current static LED drivers. These techniques can be applied to other I/O expanders with constant current (internally ...
2009-04-23 標(biāo)簽：led 654
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