Universal Serial Bus (USB) is a communications architecture that gives a personal computer (PC) the ability to interconnect a variety of devices using a simple four- wire cable. The USB is actually a two-wire serial communication link that runs at either 1.5 or 12 megabits per second (mbs). USB protocols can configure devices at startup or when they are plugged in at run time. These devices are broken into various device classes. Each device class defines the common behavior and protocols for devices that serve similar functions. Some examples of USB device classes are shown in the following table
標(biāo)簽： communications architecture Universal computer
上傳時(shí)間： 2015-12-08
上傳用戶：stvnash
This device driver implements KMDF based virtual bus driver and generic virtual disk hosted on it. Users can add virtual disks to Windows OS which are then seen and managed by OS as generic, regular disks. Virtual disks are plug in/out with cmdln utility.
標(biāo)簽： virtual driver implements generic
上傳時(shí)間： 2016-02-19
上傳用戶：xiaoxiang
The Inter IC bus or I2C bus is a simple bidirectional two wire bus designed primarily for general control and data transfer communication between ICs. Some of the features of the I2C bus are: • Two signal lines, a serial data line (SDA) and a serial clock line (SCL), and ground are required. A 12V supply line (500mA max.) for powering the peripherals often may be present. • Each device connected to the bus is software addressable by a unique address and simple master/ slave relationships exist at all times masters can operate as master-transmitters or as master-receivers. • The I2C bus is a true multi-master bus including collision detection and arbitration to prevent data corruption if two or more masters simultaneously initiate data transfer systems. • Serial, 8-bit oriented, bidirectional data transfers can be made at up to 100 KBit/s in the standard mode or up to 400 KBit/s in the fast mode.
標(biāo)簽： bus bidirectional primarily designed
上傳時(shí)間： 2013-12-11
上傳用戶：jeffery
The SL11RIDE is a low cost, high speed Universal Serial Bus RISC based Controller board. It contains a 16-bit RISC processor with built in SL11RIDE ROM to greatly reduce firmware development efforts. Its serial flash EEPROM interface offers low cost storage for USB device configuration and customer product specific functions. New functions can be programmed into the I2C by downloading it from a USB Host PC. This unique architecture provides the ability to upgrade products, in the field, without changing the peripheral hardware.
標(biāo)簽： Controller Universal contains Serial
上傳時(shí)間： 2014-01-06
上傳用戶：15071087253
MBUS協(xié)議 The bus communication system of EN1434-3 is commonly called M-Bus. Its application layer describes a standard especially for meter readout. It can be used with various physical layers and with link layers and network layers which support the transmission of variable length binary transparent telegrams.
標(biāo)簽： communication application commonly called
上傳時(shí)間： 2017-08-10
上傳用戶：小鵬
CAN－bus 規(guī)范 V2.0 版本，CAN協(xié)議中文版，CAN學(xué)習(xí)資料
標(biāo)簽： can協(xié)議
上傳時(shí)間： 2022-05-28
上傳用戶：aben
在傳統(tǒng)的數(shù)據(jù)傳輸及工業(yè)自動(dòng)化控制領(lǐng)域，有成千上萬(wàn)的數(shù)據(jù)采集、通信和自動(dòng)控制設(shè)備都是利用Meter Bus總線、CAN總線等進(jìn)行數(shù)據(jù)通信、數(shù)據(jù)交換和數(shù)據(jù)管理的。雖然Meter Bus總線、CAN總線都具有一些先天性的優(yōu)勢(shì)。諸如低功耗、造價(jià)低廉、設(shè)計(jì)簡(jiǎn)單、應(yīng)用廣泛等特點(diǎn)。但是，隨著社會(huì)需求的發(fā)展，穩(wěn)定、大流量、長(zhǎng)距離、高速度、高集成度、交互性強(qiáng)和資源共享的系統(tǒng)成為必然，從而使得單純的Meter bus總線通信或者CAN總線通信不能滿足社會(huì)的需求。同時(shí)，隨著互聯(lián)網(wǎng)的迅猛發(fā)展，支持TCP/IP協(xié)議的以太網(wǎng)的功能得到了極大的完善，并且已經(jīng)延伸到社會(huì)的各個(gè)角落。與Meter Bus總線通信和CAN總線通信相比較，TCP/IP網(wǎng)絡(luò)是基于復(fù)雜環(huán)境設(shè)計(jì)的，具有自動(dòng)糾錯(cuò)功能，通信質(zhì)量穩(wěn)定。目前100M已經(jīng)是TCP/IP網(wǎng)絡(luò)的標(biāo)準(zhǔn)配置，1000M也在快速的普及當(dāng)中，這么快的傳輸速度是Meter Bus總線通信和CAN總線通信所無法達(dá)到的。而且，TCP/IP網(wǎng)絡(luò)的開放性非常強(qiáng)，只要接入互聯(lián)網(wǎng)，通信距離就可以無限延長(zhǎng)，從而可以實(shí)現(xiàn)最大限度的信息和資源共享?；诖耍浞掷肕eter Bus總線通信和CAN總線通信的優(yōu)勢(shì)，同時(shí)與開放的TCP/IP網(wǎng)絡(luò)銜接，正是目前國(guó)內(nèi)外測(cè)控技術(shù)研究的重點(diǎn)，我們把它稱為網(wǎng)絡(luò)化的測(cè)控技術(shù)。本文基于嵌入式Linux系統(tǒng)，設(shè)計(jì)并實(shí)現(xiàn)了Meter Bus總線和CAN總線與TCP/IP網(wǎng)絡(luò)的通信轉(zhuǎn)換網(wǎng)關(guān)，完成了Meter Bus總線和CAN總線與TCP/IP網(wǎng)絡(luò)的數(shù)通，V1
標(biāo)簽： 嵌入式 linux 以太網(wǎng) can mbus 現(xiàn)場(chǎng)總線 通信網(wǎng)關(guān)
上傳時(shí)間： 2022-06-21
上傳用戶：
PCI Local Bus v2.1
上傳時(shí)間： 2013-04-15
上傳用戶：eeworm
帶CAN 控制器的單片8 位微控制器－P8xC591
上傳時(shí)間： 2013-06-17
上傳用戶：eeworm
現(xiàn)場(chǎng)總線CAN原理與應(yīng)用技術(shù)
標(biāo)簽： CAN 現(xiàn)場(chǎng)總線 應(yīng)用技術(shù)
上傳時(shí)間： 2013-06-21
上傳用戶：eeworm
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