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18B20和單總線的時序及其工作原理,51單片機(jī)控制的18B20程序(包括多個18B20的程序)18B20 and single-bus timing and its working principle, control of 51 SIngle-CHIP 18B20 procedures (including procedures for more than 18B20)
標(biāo)簽： 18B20 single-bus and principl
上傳時間： 2017-08-10
上傳用戶：wang5829
基于單片機(jī)的頻率計的實現(xiàn)和protuse仿真-Frequency meter based on single chip implementation and protuse simulation
上傳時間： 2013-06-04
上傳用戶：杜瑩12345
The P89LPC912/913/914 are SIngle-CHIP microcontrollers in low-cost 14-pin packages, based on a high performance processor architecture that executes instructions in two to four clocks, six times the rate of standard 80C51 devices. Many system level functions have been incorporated into the P89LPC912/913/914 in order to reduce component count, board space, and system cost.
上傳時間： 2013-10-12
上傳用戶：司令部正軍級
設(shè)計一種基于AT89C52的語音錄放系統(tǒng)，利用單片機(jī)、ISD2560語音錄放器件、麥克風(fēng)、揚(yáng)聲器等元器件實現(xiàn)硬件電路的設(shè)計，并利用C51高級語言設(shè)計ISD2560器件控制字的寫入和定時中斷程序。經(jīng)軟硬件調(diào)試，結(jié)果表明該系統(tǒng)錄放效果良好，具有一定的工程實用價值。 Abstract: Voice recording and playback system based on AT89C52is designed in this paper.Using the SIngle-CHIP microcomputer，voice recording and playback chip ISD2560，microphone and speaker to realize the hardware circuit design.Writing ISD2560control words and timing interrupt procedures are designed by C51advanced language.Through the hardware and software test,voice recording and playback system play better voice,and this system has some engineering practical values.
上傳時間： 2013-10-20
上傳用戶：ywcftc277
提出一種基于C8051F040的炮塔方位角測試系統(tǒng)的設(shè)計方案，給出測試系統(tǒng)的各個模塊軟硬件設(shè)計。炮塔方位角測試系統(tǒng)集數(shù)據(jù)采集，數(shù)據(jù)傳輸和數(shù)據(jù)顯示等功能于一體，實現(xiàn)了炮塔方位角裝置的離線檢測。系統(tǒng)軟件采用C51編寫，對單片機(jī)進(jìn)行有效電源管理，保證了系統(tǒng)的穩(wěn)定性，可靠性。 Abstract: This paper puts forwards a design of artillery position system based on C8051F040，describes all modules hardware and software design of measurement system.The system has the function of information collection，transmission，and display.It can measure artillery position system in offline.The system software using C51can manage the power of single chip microcomputer，guarantee the stability，reliability.
標(biāo)簽： C8051F040 方位角 測試系統(tǒng)
上傳時間： 2014-12-27
上傳用戶：7891
介紹一種多功能音樂播放器，它是以AT89S52單片機(jī)為核心，并輔有一些外圍器件，采用匯編語言編寫程序，實現(xiàn)多功能音樂播放，歌曲自動循環(huán)播放和使用琴鍵自編曲目功能。此外，彩燈顯示歌曲節(jié)奏，按鍵跳轉(zhuǎn)到喜愛曲目，液晶顯示當(dāng)前播英文曲目。并給出了系統(tǒng)軟硬件設(shè)計。 Abstract: It introduces a multifunctional music player,taking AT89S52 SIngle-CHIP microcomputer as hardware control core and using some peripheral elements.Programmes are compiled in assembly language to act as expected.There are two functional modes in this system.One is to make the music play automatically and consecutively,the other is to compose new songs through keys.In addition,lights show the pace of music and the English names can be displayed in the liquid crystal screen.With perfect combination of hardware and software,the music player can meet many music lovers’needs for multifunctional music player.And the hardware and software of the system are given.
上傳時間： 2013-11-18
上傳用戶：xiaodu1124
介紹了一種TI公司最新推出的MSP430F247單片機(jī)，利用它自帶的I2C模塊驅(qū)動I2C總線的溫度傳感器TMP275。TMP275是一款具有高精度、低功耗的新型溫度傳感器。由于TMP275具有可編程功能，纖小的封裝以及極大的溫度范圍，因而廣泛應(yīng)用于組建超小型溫度測量裝置。 Abstract: A new single chip microcomputer MSP430F247 which is released by TI is introduced.It can drive I2C interface digital temperature sensor TMP275 with I2C module.TMP275 is a new temperature sensor which has high accurate,low power. Because TMP275 has programmable function,small packages and wide temperature range,it is applied widely in very little temperature measurment equipment.
上傳時間： 2013-12-06
上傳用戶：asdfasdfd
介紹了一種基于C8051F020單片機(jī)的多路壓力測量儀。該測量儀選用電阻應(yīng)變式壓力傳感器采集壓力信號，并經(jīng)放大電路處理后送入C8051F020單片機(jī)，再由C8051F020單片機(jī)內(nèi)部的A/D轉(zhuǎn)換器將采集到的壓力信號進(jìn)行模數(shù)轉(zhuǎn)化，然后分別對數(shù)據(jù)進(jìn)行存儲和顯示。該測量儀能測量6路壓力信號，并且各測量點(diǎn)都能單獨(dú)檢測和設(shè)置。由于采用了C8051F020單片機(jī)，簡化了硬件電路，增強(qiáng)了抗干擾能力，使得測量儀具有測量精度高，沖擊小等特點(diǎn)。 Abstract: A measurement apparatus for multi-channel pressure based on single chip microcomputer is introduced.It can measure 6 channels signal of the pressure，and the pressure measure points can be detection and located individually.The pressure signal sampling is obtained by resistor stress-type pressure sensors，the digital signals of 6 channels are collected through amplifying and adjustment circuit of pressure signals and internal integrated A/D converter of MCU.Finally，and it realizes the function to store and display data separately.C8051F020 was used to made hardware circuit simple，and it also enhanced the anti-interference ability.It features high precision and little impact.
標(biāo)簽： C8051F020 單片機(jī) 多路 壓力
上傳時間： 2013-11-16
上傳用戶：yare
摘要：隨著住宅小區(qū)規(guī)模的不斷擴(kuò)大，小區(qū)的防火報警功能顯得越來越重要。就此研制了基于MSC1211單片機(jī)的防火報警網(wǎng)絡(luò)系統(tǒng)。該系統(tǒng)在各個火警布控點(diǎn)設(shè)置了獨(dú)立的監(jiān)控設(shè)備，并通過INTERNET網(wǎng)交換信息。詳細(xì)介紹了系統(tǒng)硬件結(jié)構(gòu)和軟件設(shè)計，同時給出了電路原理圖和程序流程圖。實際運(yùn)行證明：系統(tǒng)可靠性高、反應(yīng)靈敏、工作速度快，具有很好的實用價值。 關(guān)鍵詞：傳感器 防火報警 監(jiān)控節(jié)點(diǎn) 控制中心節(jié)點(diǎn)
標(biāo)簽： SIngle-CHIP MICROPROCE 1211 MSC
上傳時間： 2013-10-11
上傳用戶：xaijhqx
MMC/SD卡以其優(yōu)越的性能，在單片機(jī)嵌入式設(shè)備中得到廣泛應(yīng)用。將MMC/SD卡作為外部掉電存儲介質(zhì)應(yīng)用于音頻信號發(fā)生器中，通過8051F330單片機(jī)上的SPI接口，實現(xiàn)單片機(jī)—MMC/SD卡的存儲擴(kuò)展，設(shè)計了此硬件平臺上的MMC/SD卡的單片機(jī)驅(qū)動程序，并給出了相應(yīng)的程序代碼，滿足音頻信號發(fā)生器的大容量存儲要求。 Abstract: MMC/SD card is more and more widely used in the single chip embedded devices for their excellent performances.This article introduces the application of MMC/SD card as the external power down storage medium in audio signal generator. The extension technology especially for storage of single chip-MMC/SD card via SPI interfaces in 8051F330 single chip, including designs single chip drive program of MMC/SD card based on hardware platform,and also gives the key coding of the program. The implementation of big capacity storage is meaningful in audio signal generator.
標(biāo)簽： 8051F330 音頻信號 發(fā)生器
上傳時間： 2014-12-27
上傳用戶：黃華強(qiáng)
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