亚洲欧美第一页_禁久久精品乱码_粉嫩av一区二区三区免费野_久草精品视频

蟲蟲首頁| 資源下載| 資源專輯| 精品軟件
登錄| 注冊

System-on-chip

  • 射頻集成電路設計John Rogers(Radio Freq

    Radio Frequency Integrated Circuit Design I enjoyed reading this book for a number of reasons. One reason is that itaddresses high-speed analog design in the context of microwave issues. This isan advanced-level book, which should follow courses in basic circuits andtransmission lines. Most analog integrated circuit designers in the past workedon applications at low enough frequency that microwave issues did not arise.As a consequence, they were adept at lumped parameter circuits and often notcomfortable with circuits where waves travel in space. However, in order todesign radio frequency (RF) communications integrated circuits (IC) in thegigahertz range, one must deal with transmission lines at chip interfaces andwhere interconnections on chip are far apart. Also, impedance matching isaddressed, which is a topic that arises most often in microwave circuits. In mycareer, there has been a gap in comprehension between analog low-frequencydesigners and microwave designers. Often, similar issues were dealt with in twodifferent languages. Although this book is more firmly based in lumped-elementanalog circuit design, it is nice to see that microwave knowledge is brought inwhere necessary.Too many analog circuit books in the past have concentrated first on thecircuit side rather than on basic theory behind their application in communications.The circuits usually used have evolved through experience, without asatisfying intellectual theme in describing them. Why a given circuit works bestcan be subtle, and often these circuits are chosen only through experience. Forthis reason, I am happy that the book begins first with topics that require anintellectual approach—noise, linearity and filtering, and technology issues. Iam particularly happy with how linearity is introduced (power series). In therest of the book it is then shown, with specific circuits and numerical examples,how linearity and noise issues arise.

    標簽: Rogers Radio John Freq

    上傳時間: 2014-12-23

    上傳用戶:han_zh

  • CN3052A(鋰離子電池充電器)

    The CN3052A is a complete constant-current /constant voltage linear charger for single cell Li-ion and Li Polymer rechargeable batteries. The device contains an on-chip power MOSFET and eliminates the need for the external sense resistor and blocking diode.

    標簽: 3052A 3052 CN 鋰離子電池

    上傳時間: 2013-11-10

    上傳用戶:子虛烏有

  • 基于8098單片機的SPWM變頻調速系統

      數字控制的交流調速系統所選用的微處理器、功率器件及產生PWM波的方法是影響交流調速系統性能好壞的直接因素。在介紹了正弦脈寬調制(SPWM)技術的基礎上,設計了一種以8098單片機作為控制器,以智能功率模塊IPM為開關器件的變頻調速系統。通過軟件編程,產生正弦脈沖寬度調制波形來控制絕緣柵雙極晶體管的導通和關斷,從而達到控制異步電動機轉速的目的。實驗結果表明,該系統可調頻率調電壓,穩定度高,調速范圍寬,具有較強的實用價值   Abstract:   AC variable speed with digital control systems used microprocessors, power devices and generate PWM wave is the direct factors of affecting the performance AC speed regulation system. On the basis of introducing the sinusoidal pulse width modulation (SPWM) technology,this paper designed variable speed system which used 8098 as a controller, intelligent power module IPM as switching device. Through software programming, resulting in sinusoidal pulse width modulation waveform to control the insulated gate bipolar transistor turn on and off, so as to achieve the purpose of speed control of induction motors. Experimental results show that the system can adjust frequency modulation voltage, high stability, wide speed range, has a strong practical value.  

    標簽: 8098 SPWM 單片機 變頻調速系統

    上傳時間: 2013-11-14

    上傳用戶:ynwbosss

  • H.264高清編解碼器的片上系統MG3500

    MG3500SoC是支持H.264高清編解碼器的片上系統,內部集成一個嵌入式ARM926處理器,支持高清H.264編解碼、MPEG鄄2解碼和JPEG編解碼。介紹了MG3500SoC的主要性能特點、引腳排列、主要接口功能及在DVR上的應用,以及MG3500SoC及其周圍器件的硬件設計,提出了在設計中應注意的問題。 Abstract:  The MG3500System-on-chip(SoC)is high definition(HD)H.264codec,including ARM926-EJ processor,H.264encoder/decoder,MPEG2decoder and JPEG/MJPEG encoder/decoder.The features,pin assignments,interfaces and the typical application of MG3500in DVR are introduced in this paper.The application hardware circuit between the MG3500SoC and peripheral device are given,the questions which the syetem design needs to pay attention are explained.

    標簽: 3500 264 MG 編解碼器

    上傳時間: 2013-11-12

    上傳用戶:elinuxzj

  • PCF2116系列LCD驅動器芯片簡介及封裝庫

    1 FEATURES· Single chip LCD controller/driver· 1 or 2-line display of up to 24 characters per line, or2 or 4 lines of up to 12 characters per line· 5 ′ 7 character format plus cursor; 5 ′ 8 for kana(Japanese syllabary) and user defined symbols· On-chip:– generation of LCD supply voltage (external supplyalso possible)– generation of intermediate LCD bias voltages– oscillator requires no external components (externalclock also possible)· Display data RAM: 80 characters· Character generator ROM: 240 characters· Character generator RAM: 16 characters· 4 or 8-bit parallel bus or 2-wire I2C-bus interface· CMOS/TTL compatible· 32 row, 60 column outputs· MUX rates 1 : 32 and 1 : 16· Uses common 11 code instruction set· Logic supply voltage range, VDD - VSS: 2.5 to 6 V· Display supply voltage range, VDD - VLCD: 3.5 to 9 V· Low power consumption· I2C-bus address: 011101 SA0.

    標簽: 2116 PCF LCD 驅動器芯片

    上傳時間: 2013-11-08

    上傳用戶:laozhanshi111

  • CAT93C46 器件數據手冊

    The CAT93C46 is a 1 kb Serial EEPROM memory device which isconfigured as either 64 registers of 16 bits (ORG pin at VCC) or 128registers of 8 bits (ORG pin at GND). Each register can be written (orread) serially by using the DI (or DO) pin. The CAT93C46 features aself−timed internal write with auto−clear. On−chip Power−On Resetcircuit protects the internal logic against powering up in the wrongstate.

    標簽: CAT 93C C46 93

    上傳時間: 2013-11-20

    上傳用戶:ynzfm

  • 可編程系統級芯片提供了最大設計的靈活性

    可編程系統級芯片提供了最大設計的靈活性 極端靈活且完全可編程的混合信號SOC 的基本原理是促使賽普拉斯微系統公司(Cypress MicroSystems)推出名為PSoCTM(Programmable System-on-chipTM,可編程系統級芯片)的全新一代器件的動力所在。

    標簽: 可編程 系統級芯片

    上傳時間: 2013-10-22

    上傳用戶:playboys0

  • Clocking Options for Stellaris

    The main oscillator allows either a crystal or single-ended input clock signal. Cost-sensitiveapplications typically use an external crystal with the on-chip oscillator circuit since it is the mostcost-effective solution. It is also possible to use the internal oscillator to clock the device after theboot process has completed.

    標簽: Stellaris Clocking Options for

    上傳時間: 2013-10-14

    上傳用戶:pol123

  • Emulating a synchronous serial

    The C500 microcontroller family usually provides only one on-chip synchronous serialchannel (SSC). If a second SSC is required, an emulation of the missing interface mayhelp to avoid an external hardware solution with additional electronic components.The solution presented in this paper and in the attached source files emulates the mostimportant SSC functions by using optimized SW routines with a performance up to 25KBaud in Slave Mode with half duplex transmission and an overhead less than 60% atSAB C513 with 12 MHz. Due to the implementation in C this performance is not the limitof the chip. A pure implementation in assembler will result in a strong reduction of theCPU load and therefore increase the maximum speed of the interface. In addition,microcontrollers like the SAB C505 will speed up the interface by a factor of two becauseof an optimized architecture compared with the SAB C513.Moreover, this solution lays stress on using as few on-chip hardware resources aspossible. A more excessive consumption of those resources will result in a highermaximum speed of the emulated interface.Due to the restricted performance of an 8 bit microcontroller a pin compatible solution isprovided only; the internal register based programming interface is replaced by a set ofsubroutine calls.The attached source files also contain a test shell, which demonstrates how to exchangeinformation between an on-chip HW-SSC and the emulated SW-SSC via 5 external wiresin different operation modes. It is based on the SAB C513 (Siemens 8 bit microcontroller).A table with load measurements is presented to give an indication for the fraction of CPUperformance required by software for emulating the SSC.

    標簽: synchronous Emulating serial

    上傳時間: 2014-01-31

    上傳用戶:z1191176801

  • 用C51寫的普通拼音輸入法源程序代碼

    用C51寫的普通拼音輸入法源程序代碼:原作使用了一個二維數組用以查表,我認為這樣比較的浪費空間,而且每個字表的索引地址要手工輸入,效率不高。所以我用結構體將其改寫了一下。就是大家現在看到的這個。  因為代碼比較的大,共有6,000多漢字,這樣就得要12,000 byte來存放GB內碼,所以也是沒辦法的.編譯結果約為3000h,因為大部分是索引表,代碼優化幾乎無效。    在Keil C里仿真芯片選用的是華邦的W77E58,它有32k ROM, 256B on-chip RAM, 1K on-chip SRAM (用DPTR1指針尋址,相當于有1K的片上xdata)。條件有限,沒有上片試驗,仿真而已。  打算將其移植到AVR上,但CodeAVRC與IAR EC++在結構體、指針的定義使用上似乎與C51不太一樣,現在還未搞定。還希望在這方面有經驗的網友能給予指導。 #include<stdio.h> char * py_ime(char *); void main(void){ while(1)    {     char input_string[]="yI";     xdata char chinese_string[255];     sprintf(chinese_string,"%s",py_ime(input_string));    }}

    標簽: C51 拼音輸入法 代碼 源程序

    上傳時間: 2013-10-30

    上傳用戶:cainaifa

亚洲欧美第一页_禁久久精品乱码_粉嫩av一区二区三区免费野_久草精品视频
午夜欧美电影在线观看| 久久精品一区二区三区中文字幕| 欧美99在线视频观看| 欧美日韩三级一区二区| 在线看无码的免费网站| 亚洲欧美在线另类| 欧美日韩一区在线视频| 中日韩美女免费视频网址在线观看| 国自产拍偷拍福利精品免费一| 国产精品一区二区久久久| 国内久久视频| 国产欧美激情| 国产一区二区三区久久悠悠色av | 亚洲在线观看免费| 日韩亚洲不卡在线| 亚洲视频在线免费观看| 午夜精品一区二区三区在线播放| 亚洲视频在线二区| 久久综合九色综合网站| 欧美国产日本韩| 国产偷国产偷亚洲高清97cao| 国产一区二区三区在线观看视频 | 久久精精品视频| 裸体素人女欧美日韩| 欧美成人精品激情在线观看 | 91久久久久久| 韩日视频一区| 亚洲欧美欧美一区二区三区| 久久久亚洲一区| 欧美日韩免费看| 一区二区三区亚洲| 一本到12不卡视频在线dvd| 欧美一区激情视频在线观看| 免费观看成人网| 在线观看日韩av先锋影音电影院| 欧美日韩成人在线观看| 狠狠色狠狠色综合日日五| 亚洲在线观看| 国产精品视频一| 亚洲欧美日韩中文视频| 欧美视频在线观看一区| 一本久道久久综合婷婷鲸鱼| 女人色偷偷aa久久天堂| 亚洲国产精品成人va在线观看| 久久九九国产精品| 亚洲乱码国产乱码精品精98午夜| 久久国产欧美精品| 亚洲精品欧美| 欧美午夜视频在线| 欧美在线高清视频| 欧美电影免费观看网站| 99re热精品| 国产亚洲成av人在线观看导航| 欧美影视一区| 亚洲精品久久久久久下一站| 欧美日韩在线一二三| 久久嫩草精品久久久精品一| 亚洲区欧美区| 韩国自拍一区| 国产精品网红福利| 欧美精品一区二区三区很污很色的| 亚洲免费视频中文字幕| 日韩视频一区二区三区在线播放| 国产精品国产一区二区| 欧美国产免费| 欧美国产三级| 欧美不卡一区| 欧美成人免费播放| 欧美搞黄网站| 欧美精品在线一区二区| 欧美成人午夜影院| 欧美日韩亚洲一区| 欧美伦理影院| 国产精品久久一区二区三区| 欧美久色视频| 国产精品成人在线观看| 亚洲国产精品福利| 欧美综合国产| 国产精品任我爽爆在线播放| 一区二区三区国产盗摄| 9色国产精品| 亚洲天堂成人在线观看| 一本久久综合亚洲鲁鲁五月天| 最新日韩在线视频| 亚洲天堂免费在线观看视频| 最新亚洲一区| 一区二区三区毛片| 久久久久99精品国产片| 欧美va亚洲va日韩∨a综合色| 久久久综合网站| 久久久久久久久岛国免费| 91久久夜色精品国产九色| 日韩亚洲一区二区| 亚洲在线观看视频| 久久精品30| 欧美在线一级视频| 美女福利精品视频| 欧美乱人伦中文字幕在线| 国产精品对白刺激久久久| 国产欧美1区2区3区| 国产午夜精品视频| 欧美人在线观看| 欧美日韩国产欧| 欧美日一区二区在线观看| 国产伦理一区| 亚洲精品国精品久久99热| 性久久久久久久久| 久久亚洲欧美| 亚洲午夜精品久久| 亚洲欧美bt| 欧美成年人视频网站| 狠狠干狠狠久久| 在线视频欧美日韩| 欧美日韩另类视频| 在线成人激情| 一区二区三区鲁丝不卡| 欧美亚洲一区在线| 欧美日韩午夜剧场| 最近中文字幕日韩精品| 久久国产精品黑丝| 亚洲国产精品欧美一二99| 欧美中文在线观看| 国产日韩精品久久久| 亚洲一区二区在线看| 欧美激情一区二区三区| 国产拍揄自揄精品视频麻豆| 国产区欧美区日韩区| 亚洲欧美久久久| 伊人成人在线| 欧美激情精品久久久久久变态| 亚洲第一天堂av| 欧美韩日视频| 性久久久久久久| 精品999网站| 母乳一区在线观看| 狠狠干成人综合网| 欧美日韩国产精品一区二区亚洲| 9人人澡人人爽人人精品| 国产自产v一区二区三区c| 免费高清在线一区| 久久成人资源| 中文av一区特黄| 亚洲国产精品一区| 欧美剧在线免费观看网站| 久久久久国色av免费观看性色| 国产麻豆精品视频| 玖玖玖免费嫩草在线影院一区| 亚洲精品乱码久久久久久黑人 | 久久亚洲国产精品一区二区| 国内精品久久久久久久影视麻豆| 欧美国产第一页| 亚洲主播在线观看| 99精品久久久| 日韩视频中午一区| 亚洲裸体俱乐部裸体舞表演av| 国产精品日韩一区二区| 欧美精品色一区二区三区| 麻豆9191精品国产| 欧美jizz19hd性欧美| 日韩一级大片| 久久久夜色精品亚洲| 国产精品推荐精品| 欧美日韩精品免费观看视一区二区 | 黄色成人在线观看| 久久免费视频观看| 久久本道综合色狠狠五月| 小辣椒精品导航| 亚洲一区999| 午夜性色一区二区三区免费视频| 日韩一级精品视频在线观看| 在线精品亚洲| 99在线精品观看| 亚洲欧美日韩成人| 久久久国产视频91| 欧美日本在线| 精品电影一区| 欧美一区二区三区日韩| 欧美午夜无遮挡| 亚洲国产另类久久久精品极度| 一本色道久久综合亚洲二区三区| 午夜精品美女自拍福到在线| 麻豆亚洲精品| 亚洲精品系列| 老司机免费视频久久| 国产精品午夜av在线| 亚洲精品在线一区二区| 久久超碰97人人做人人爱| 国内精品久久久久影院色 | 美女任你摸久久| 欧美久久视频| 亚洲国产中文字幕在线观看| 亚洲欧美国内爽妇网| 欧美激情精品久久久久久久变态 | 黄色成人免费观看| 亚洲欧美日韩中文视频| 欧美日一区二区在线观看| 在线欧美福利| 欧美成人午夜激情视频| 影音先锋久久资源网| 奶水喷射视频一区|