HARDWARE
59202
www.connectorworld.com/25+
原裝認證有意請來電或QQ洽談
HARDWARE
48000
-/24+
原裝現(xiàn)貨,可開專票,提供賬期服務
HARDWARE
123500
-/2025+
一級代理,原裝假一罰十價格優(yōu)勢長期供貨
HARDWARE
80000
-/23+
原裝現(xiàn)貨
HARDWARE
5000
-/23+
優(yōu)勢產(chǎn)品大量庫存原裝現(xiàn)貨
HARDWARE
2000
www.connectorworld.com/2024+
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HARDWARE
59202
www.connectorworld.com/25+
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HARDWARE
9800
N/A/1808+
原裝正品,亞太區(qū)混合型電子元器件分銷
HARDWARE
3000
N/A/N/A
原裝正品熱賣,價格優(yōu)勢
HARDWARE
80000
-/23+
原裝現(xiàn)貨
HARDWARE
6608
-/2024+
現(xiàn)貨假一罰萬只做原裝現(xiàn)貨
HARDWARE
60701
-/24+
深圳原裝現(xiàn)貨,可看貨可提供拍照
HARDWARE
12000
NA/2036+
公司現(xiàn)貨原裝全市最優(yōu)價
HARDWARE
65286
-/21+
全新原裝現(xiàn)貨,長期供應,免費送樣
HARDWARE
6500
-/2019+
原裝配單
HARDWARE
635200
N/A/17+
100%原裝現(xiàn)貨,假一罰十
HARDWARE
505027
/2508+
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HARDWARE
8391
www.connectorworld.com/22+
特價現(xiàn)貨,提供BOM配單服務
HARDWARE
41101
-/-
大量現(xiàn)貨,提供一站式配單服務
HARDWARE
20000
-/18
詢價QQ1821216782,原裝進口現(xiàn)貨,電話0755-27217259
時的this引用)。 一個網(wǎng)絡設備最基本的方法有初始化、發(fā)送和接收。 deliver packets receive packets queue (dev_queue_xmit()) |them(netif_rx()) methods and variables(initialize,open,close,hard_xmit, interrupt handler,config,resources,status…) send to hardware receivce from hardware hardware media 初始化程序完成硬件的初始化、device中變量的初始化和系統(tǒng)資源的申請。發(fā)送程序是在驅(qū)動程序的上層協(xié)議層有數(shù)據(jù)要發(fā)送時自動調(diào)用的。一般驅(qū)動程序中不對發(fā)送數(shù)據(jù)進行緩存,而是直接使用硬件的發(fā)送功能把數(shù)據(jù)發(fā)送出去。接收數(shù)據(jù)一般是通過硬件中斷來通知的。在中斷處理程序里,把硬件幀信息填入一個skbuff結構中,然后調(diào)用netif_rx()傳遞給上層處理。 2.2 網(wǎng)絡驅(qū)動程序的基本方法 網(wǎng)
lcd背光控制專業(yè)廠商moxair公司日前宣布正式推出全新的moxair powerpure hardware邏輯內(nèi)核,這一創(chuàng)新性的產(chǎn)品可節(jié)省高達70%的顯示屏能耗,從而將手機、pda、上網(wǎng)本和筆記本電腦等設備的電池續(xù)航能力大幅提升高達40%以上。 moxair獨有的content adaptive backlight control technology(內(nèi)容自適應背光控制)技術能夠在保持顯示圖像播放質(zhì)量的同時極大降低lcd液晶顯示屏的背光能耗。moxair公司原有的主打產(chǎn)品powerpure系列是基于arm11和ti omap等嵌入式平臺實現(xiàn)的軟件應用,此次推出的moxair powerpure hardware可獨立于軟件操作系統(tǒng),簡化了在多種平臺系統(tǒng)中的應用,而且進一步提升了系統(tǒng)整體節(jié)能水平。 德州儀器公司全球無線系統(tǒng)事業(yè)部經(jīng)理markus tremmel在ctia行業(yè)貿(mào)易大展上介紹ti-omap應用moxair技術演示時表示:“moxair的powerpure技術做到了在大幅度降低能耗的同時保持了最佳的顯示質(zhì)量。” moxair powerpure hardware作為
mplete, highly integrated car radio cd / mp3 player sub-system. this cost effective and easy-to-use system solution reduces development time and cost, helping you create high quality end-products quickly and simply.this integrated and cost-effective hardware and software reference solution lets manufacturers bring high-quality car audio systems to market fast. it provides a quick and easy path for product differentiation that is vital in the highly competitive after-sales market, and it also serves the
c2420無線收發(fā)模塊驅(qū)動組件設計作了深入的研究,以組件的形式將其硬件功能封裝成接口供上層軟件調(diào)用,實現(xiàn)了對上層軟件的硬件特征屏蔽,從而實現(xiàn)該模塊功能的軟件語言表達和兼容性較強的跨平臺抽象體系結構。 引言 網(wǎng)絡節(jié)點是構成無線傳感器網(wǎng)絡的基本單位,無線傳感器網(wǎng)絡節(jié)點有兩種常用體系結構:atmel avr處理器+tinyos[1]和msp430+tinyos[2].本文采用 atmega128l+tinyos的體系結構。因此,cc2420驅(qū)動組件設計應符合tinyos的硬件抽象體系結構(hardware abstraction architecture,haa)[3].tinyos中將硬件抽象體系結構分為3層:硬件表示層(hardware presentation layer,hpl)、硬件適配層(hardware adapation layer,hal)和硬件接口層(hardware interface layer,hil)。各層功能作用及具體設計原理在本文中作了細致的研究。cc2420是一款基于ieee 802.15.4協(xié)議的低功耗無線收發(fā)模塊。本文根據(jù)硬件抽象體系結構的原則,對cc242
scs are excellent at executing the complex, high-speed mathematical functions required by many automotive electronics systems. dscs, such as microchip's dspic, offer a seamless migration path and pin-for-pin compatibility, which enable the re-use of hardware and software building blocks. this combination of a 16-bit mcu with dsp capabilities enhances the performance of automotive electronic systems, while lowering system costs and enabling designers to get products to market faster. the dsc co
LCD背光控制專業(yè)廠商Moxair公司日前宣布正式推出全新的Moxair PowerPure Hardware邏輯內(nèi)核,這一創(chuàng)新性的產(chǎn)品可節(jié)省高達70%的顯示屏能耗,從而將手機、PDA、上網(wǎng)本和筆記本電腦等設備的電池續(xù)航能力大幅提升高達40%以上。
Mox...
ware in win32 circumstance cai wenzhai (the 39th institute,electronics science & technology group corp oration of china,xi′an,710065,china) abstract:in this paper,an universal control system software method is introduced,the method abstract hardware device with steam object, cont rol software only operate the steam objectread and write all hardware sensor d atausing each threads singly,each the event synchronize the threads, synchroni zation event is created by the interrupt,the interrupt is c
s for programs such as the u.s. department of defense joint tactical radio system (jtrs) program. it is the industry’s first sdr kit to support partial reconfiguration and sca-enabled system-on-chip (soc). the jtrs sdr kit consists of reconfigurable hardware and software elements that are compliant with jtrs-mandated specifications, including the software communications architecture (sca). the kit leverages the low-power, high-performance digital signal processing (dsp) features of xilinx® virtex
系統(tǒng)的影響。計算機硬件的發(fā)展包括微處理器、數(shù)據(jù)采集系統(tǒng)、計算機總線、儀器總線、pc卡和外部解決方案;軟件技術的發(fā)展,包括操作系統(tǒng)、測試系統(tǒng)軟件的開發(fā)。 關鍵詞 數(shù)據(jù)采集系統(tǒng) isa總線 pci總線 儀器總線 通用串行總線(usb) 多線程 labview 虛擬儀器 computer technology advancements impactpc-based automated test system abstract:recent advancements of computer hardware and software technology impact pc-based automated test system.the advanced hardware include processor,data acquisition system,computer bus,instrument bus,pc card and external solution.the advanced software include operation system and test system so
華邦電子推出全新系列之高準度省電溫度監(jiān)測芯片(hardware monitoring ic)-w83l771awg/773g/775g,該系列產(chǎn)品配合可程序化切換速率(programmable conversion rate)及待命模式(standby mode)的親和設計,有效降低工作電流,提供高效能微處理器的運算系統(tǒng),例如筆記本計算機、桌上型計算機及服務器絕佳的省電優(yōu)勢。 w83l771awg/773g/775g系列產(chǎn)品除了本身即為一靈敏的溫度傳感器,w83l771awg再搭配一組遠程溫度傳感器,共提供兩組精準的溫度偵測器;w83l773g/775g則另外搭配兩組的遠程溫度傳感器,共提供三組精準的溫度偵測器,能有效提供對溫度敏感的系統(tǒng)環(huán)境最佳的保護與監(jiān)控。 w83l771awg/775g系列除了監(jiān)控溫度,使用者亦可依本身需求設定臨界溫度。當監(jiān)控溫度超過臨界溫度時,芯片會發(fā)出過溫警示訊號,使用者可根據(jù)此一警示訊號啟動各項過溫保護裝置,甚或關閉系統(tǒng)以免系統(tǒng)受損。此外,考慮噪聲對溫度量測準確度的影響,提供遠程溫度傳感器一個噪聲過濾器,能有效將噪聲對溫度量測準確度的干擾降到最低。本系列產(chǎn)品
group 首席執(zhí)行官兼總裁 doug elder 表示。 bse tech 已經(jīng)在亞利桑那州坦普簽署協(xié)議長期租賃75,000平方英尺的設施,較 asia tech 的原有設施面積擴大了一倍。新的地點還將擁有15,000平方英尺的清潔室,目前正在建設中。asia tech 總裁 francis colligan 將加入 bse tech 擔任副總裁。asia tech 的全體員工現(xiàn)在成為 bse tech 的一部分。 “透過我們的 bse tech 和 test advantage hardware 公司,bse group具有強大的前端和后端設備及解決方案,已在半導體行業(yè)作好充分準備。”bse group 執(zhí)行副總裁 colin scholefield 表示,“此外,這兩家公司為我們提供靈活的設備和融資模式,這是我們在去年收購 test advantage hardware 時引入的。在過去6個月中,我們公司通過這種商業(yè)模式經(jīng)歷了強勁的增長。我們已經(jīng)完成了前端設備市場的幾筆交易,并熱切期望 bse tech 將在這個市場快速擴張。”
相關元件pdf下載:sst89c58 74hc573 reference design for sst ata-disk chip into 8051 microcontrollerapplication noteabstract: this application note introduces the hardware and firmware of reference design for sst ata-disk chip sst58sd/ldxxx into sst flashflex51 sst89c54/58 (8051 compatible microcontroller).1. hardware connections: please reference to attached schematic diagram for hardware connections. sst ata-disk chip (adc) sst58sd/ldxxx only supports one working mode, ie. ata/i
ce. after i succeeded writing a new firmware of xtimer and easy-downloader v1.1 with sdcc. i cannot stop preparing a new page that gives the idea how to use sdcc and of course it's time to renovate my old project with orcad. for now i can design the hardware, draw a schematic, write the firmware and layout the pcb. so i think why shouldn't begin with easy-downloader. since the programmer board will enable learning and developing the small project with a cheap 20-pin mcu easily. figure 1: complete hardw
as a preset time value that was commonly used, e.g. -1, 0, 3, 5, 10, 15, 20, 25. when time-out, display will show 0, and the output bit is activated. the optional two buzzers are for timer1 and timer2 alarm. i made this output alarm for kitchen use. hardware schematic complete schematic is shown in fig 2. the mcu is at89c4051 with 11.0592mhz xtal. the max7219 needs only three signals, clk, din and load. these signals are software generated assembly code. you may learn how assembly code interface with c
: 低功耗、小封裝和高性能的wi-fi/藍牙/gps/fm 解決方案 wi-fi 802.11 a/b/g/n 雙頻單流 (20/40mhz),集成雙頻lna 和2.4ghz pa 集成pa,支持藍牙4.0+hs 支持gps/galileo/qzss/sbas,-165dbm tracking sensitivity fm tx/rx,支持rds/rbds 支持wi-fi direct 和wapi hardware encryption 支持fm over bluetooth plc (packet loss concealment) 技術,實現(xiàn)卓越音頻質(zhì)量 先進的alwayslocatetm location awareness 技術,超低功耗 包括單sdio的靈活host interfaces,適于所有的無線功能 歡迎轉(zhuǎn)載,信息來自維庫電子市場網(wǎng)(m.nhznwl.cn)
atmel 89 series flash microcontroller programmer ver 3.0 introductionthis programmer was designed in view of to be flexible, economical and easy to built, the programmer hardware utilizes the standard ttl series parts and no special components are used. the programmer is interfaced with the pc parallel port and there is no special requirement for the pc parallel port, so the older computers can also be used with this programmer. supported devicesthe programmer software supports the foll
deo/video.o \ lib/priv_data/priv_data.o \ net/net.o \ \ -o vivi-elf -l/usr/local/arm/3.3.2/lib/gcc-lib/arm-linux/3.3.2 -lgcc -lcgnu ld version 2.14.90 20030820/usr/local/arm/3.3.2/bin/arm-linux-ld: error: lib/lib.o uses hardware fp, whereas vivi-elf uses software fp成功: failed to merge target specific data of file lib/lib.o/usr/local/arm/3.3.2/bin/arm-linux-ld: error: drivers/serial/serial.o uses hardware fp, whereas vivi-elf uses software fp成功: failed to merge target specif
有技術愛好者所關心的信息。而且在當今充盈著"鏈接到----網(wǎng)站"的情況下,該站點還做了其他此類網(wǎng)站沒有時間去真正做的事————自己親自動手寫稿件。 (5) wide open news 網(wǎng)址://www.wideopen.com 評介:該站點的新聞區(qū)經(jīng)常包含一些相當有意義的專題特寫和文章,而且一般都由專業(yè)記者撰寫。wide open news站點每周都會發(fā)布一些原創(chuàng)作品,而且通常稿件質(zhì)量都很高。喜歡瀏覽行業(yè)新聞的不妨去感受一番。 (四)通用硬件 (1) linux hardware 網(wǎng)址: //www.linuxhardware.net/ 評介:linux hardware站點中包括一個內(nèi)容非常廣泛的linux系統(tǒng)中所有的硬件信息數(shù)據(jù)庫。用戶既可以瀏覽這些數(shù)據(jù)庫資料,也可以使用該站點的搜索引擎來快速查找所需要的硬件資料。同樣,該站點也允許搜索usenet 組。其中l(wèi)inux friendly hardware vendor 列表也是另一個特點所在。 (2) linux hardware database 網(wǎng)址://lhd.datapower.com 評
deo/video.o \ lib/priv_data/priv_data.o \ net/net.o \ \ -o vivi-elf -l/usr/local/arm/3.3.2/lib/gcc-lib/arm-linux/3.3.2 -lgcc -lcgnu ld version 2.14.90 20030820/usr/local/arm/3.3.2/bin/arm-linux-ld: error: lib/lib.o uses hardware fp, whereas vivi-elf uses software fp成功: failed to merge target specific data of file lib/lib.o/usr/local/arm/3.3.2/bin/arm-linux-ld: error: drivers/serial/serial.o uses hardware fp, whereas vivi-elf uses software fp成功: failed to merge target specif
pectrum, x(n). */__no_init int x_n_re[n];/* * tmp_32 * * a union that allows accessing the individual 16-bit * words of a 32-bit double word as well as the entire * double word. this union is used by the multiplication * macros that make use of the hardware multiplier and * convert the multiplication result to q8.7 notation. */__no_init union{ long tmp_32; struct { int lsw; // least significant 16-bit word int msw; // most significant 16-bit word } tmp_16;};/* * hardware multiplier macros *
2200系列的uart bug一般是在判斷前先將寄存器內(nèi)容讀至一暫存變量較好.下面是與uart相關的bug介紹,:uart.1 coinciding vpb read and hardware register update.introduction: reading the contents of the iir,lsr and msr registers will clear certain bits in the register.1. reading the iir should clear the thre status if thre is the highest priority pending interrupt(only affects uart1).2. reading lsr should clear the oe/pe/fe/bi bits (affects both uart0 and uart1).3. reading msr should clear the delta dcd/trailing edge ri/delta dsr/delta cts bits (only