Abstract: This application note discusses the REF PIN functionality in the indirect current-feedbackarchitecture for instrumentation amplifiers. This article compares the importance of a REF buffer in a
標(biāo)簽： 儀表 電流檢測(cè)放大器
上傳時(shí)間： 2015-01-03
上傳用戶(hù)：時(shí)代將軍
要生產(chǎn)音頻脈沖，只要算出某一音頻的周期(1/頻率)，可以利用定時(shí)器計(jì)時(shí)的方式得到此頻率的脈沖。而Arduino平臺(tái)“封裝”了新的數(shù)字輸出函數(shù)tone()。更簡(jiǎn)易的實(shí)現(xiàn)喇叭和蜂鳴器唱歌。 tone(PIN, frequency)，Arduino會(huì)向指定PIN發(fā)送制定頻率的方波，執(zhí)行noTone()函數(shù)來(lái)停止。 tone(PIN, frequency, duration方法多了一個(gè)參數(shù)，代表發(fā)送方波持續(xù)的時(shí)間，到時(shí)自動(dòng)停止發(fā)送信號(hào)，就不需要noTone()函數(shù)。 利用tone()函數(shù)播放音樂(lè)，只需要查表了解各個(gè)音符對(duì)應(yīng)的頻率，還要求個(gè)人稍微能看懂音樂(lè)譜子的節(jié)拍。 物料清單 ： Arduino 328控制板 1塊 8Ω 0.5W的喇叭（或者蜂鳴器） 1個(gè)（ATmega328的驅(qū)動(dòng)能力足夠，直接拉電流就ok!） 12Ω電阻(限流) 1個(gè) 實(shí)物圖：
標(biāo)簽： Arduino 328 控制板 制作音樂(lè)
上傳時(shí)間： 2013-10-14
上傳用戶(hù)：jiangxiansheng
SL811開(kāi)發(fā)資料_包含源程序_電路圖_芯片資料:SL811HS Embedded USB Host/Slave Controller.The SL811HS is an Embedded USB Host/Slave Controller capable of communicate with either full-speed or low-speed USB peripherals. The SL811HS can interface to devices such as microprocessors, microcontrollers, DSPs, or directly to a variety of buses such as ISA, PCMCIA, and others. The SL811HS USB Host Controller conforms to USB Specification 1.1.The SL811HS USB Host/Slave Controller incorporates USB Serial Interface functionality along with internal full-/low-speed transceivers.The SL811HS supports and operates in USB full-speed mode at 12 Mbps, or at low-speed 1.5-Mbps mode.The SL811HS data port and microprocessor interface provide an 8-bit data path I/O or DMA bidirectional, with interrupt support to allow easy interface to standard microprocessors or microcontrollers such as Motorola or Intel CPUs and many others. Internally,the SL811HS contains a 256-byte RAM data buffer which is used for control registers and data buffer.The available package types offered are a 28-PIN PLCC (SL811HS) and a 48-PIN TQFP package (SL811HST-AC). Both packages operate at 3.3 VDC. The I/O interface logic is 5V-tolerant.
標(biāo)簽： 811 SL 開(kāi)發(fā)資料 源程序
上傳時(shí)間： 2013-12-22
上傳用戶(hù)：a82531317
superpro 3000u 驅(qū)動(dòng) PIC16C65B@QFP44 [SA245] PIC16C65B: Part number QFP44: Package in QFP44 SA245: Adapter purchase number AM29DL320GT@FBGA48 [SA642+B026] AM29DL320GT: Part number FBGA48: Package in FBGA48 SA642: Adapter purchase number (Top board with socket) B026: Adapter purchase number (Bottom board, exchangable for different parts) 87C196CA@PLCC68(universal adapter) [PEP+S414T] 87C196CA: Part number PLCC68: Package in PLCC68 universal adapter: this adapter is valid for all parts in this package PEP: The PEP (PIN-driver Expansion Pack necessary to work with the adapter S414T) S414T: Adapter purchase number (Universal for all parts in this package) S71PL127J80B@FBGA64(special adapter) [(SA642A-B079A-Y096AF001)] S71PL127J80B: Part number FBGA64: Package in FBGA64 special adapter: this adapter is valid for this
標(biāo)簽： superpro 3000u 驅(qū)動(dòng) 編程器軟件
上傳時(shí)間： 2014-03-27
上傳用戶(hù)：ippler8
One of the most important issues affecting the implementation of microcontroller software deals with the data-decision algorithm. Data-decision refers to decoding the DIO-PIN from the CC400/CC900. Two main principles exist for decoding Manchester-coded data: Data decision based on timing the period between transitions, and data decision based on oversampling.
標(biāo)簽： microcontroller implementation important affecting
上傳時(shí)間： 2013-12-18
上傳用戶(hù)：671145514
C#電信管理系統(tǒng)，有PIN號(hào)管理，用戶(hù)查詢(xún)，掛失，帳單查詢(xún)，每月話費(fèi)，對(duì)沖...(麻雀雖小，五藏具全)
標(biāo)簽： 電信 管理系統(tǒng)
上傳時(shí)間： 2014-12-01
上傳用戶(hù)：yt1993410
YSS915 (KP2V2) is an LSI for processing Karaoke voice signals. This LSI has an A/D converter (1 channel) for the microphone echo, and a memory for the microphone echo and key control. These features allow achieving the functions needed for the Karaoke system by using only one LSI chip. As for the microphone echoes, many other types of echoes are available in addition to ordinary ones so that YSS915 is applicable to various uses. In addition to these Karaoke programs, YSS915 is able to provide the Movie & Music programs, with which the surround effect is applied to the movie and music sources for giving the users more enjoyment. YSS915 is PIN compatible with and register compatible with YSS903 (KP2V).
標(biāo)簽： processing LSI converter Karaoke
上傳時(shí)間： 2015-06-23
上傳用戶(hù)：lijianyu172
When the P89LPC90x is in programming mode all PINs that are not used for programming are tri-stated. During programming mode the reset PIN has a weak pull-up resistor.
標(biāo)簽： programming tri-stated are When
上傳時(shí)間： 2015-11-03
上傳用戶(hù)：集美慧
Welcome to the software files for the ADS8361 to TMS320F2812! There are two project files in each of the folders McBSP, SPI and Both. Mode II and IV are explored using the McBSP port alone, as well as the SPI port. These projects are located in the SPI and McBSP folders. Modes I and III are explored using both McBSP and SPI. In Mode I, the M0 and M1 PINs are controlled by use of the jumper on the evaluation module. A0 is controlled by the DX PIN of the McBSP port. In Mode III, the A0, M0 and M1 PINs are controlled via GPIO functions of PortF. The "SRC", "CMD" and "INCLUDE" files in the archive are from "C28x Peripheral Examples in C" (document # SPRC097). If you have questions about this or other Data Converter products, feel free to e-mail us at:
標(biāo)簽： files the software Welcome
上傳時(shí)間： 2015-12-16
上傳用戶(hù)：lixinxiang
兩路電機(jī)CPLD控制,串口通信，兼遙控PIN信號(hào)輸入，強(qiáng)制停止。
上傳時(shí)間： 2014-01-21
上傳用戶(hù)：宋桃子
蟲(chóng)蟲(chóng)下載站版權(quán)所有 京ICP備2021023401號(hào)-1
