The PCA9548A is an octal bidirectional translating switch controlled via the I2C-bus. TheSCL/SDA upstream pair fans out to eight downstream pairs, or channels. Any individualSCx/SDx channel or combination of channels can be selected, determined by thecontents of the programmable control register.An active LOW reset input allows the PCA9548A to recover from a situation where one ofthe downstream I2C-buses is stuck in a LOW state. Pulling the RESET pin LOW resets theI2C-bus state machine and causes all the channels to be deselected as does the internalPower-on reset function.
上傳時間: 2013-10-13
上傳用戶:bakdesec
The PCA9557 is a silicon CMOS circuit which provides parallel input/output expansion for SMBus and I2C-bus applications. The PCA9557 consists of an 8-bit input port register, 8-bit output port register, and an I2C-bus/SMBus interface. It has low current consumption and a high-impedance open-drain output pin, IO0. The system master can enable the PCA9557’s I/O as either input or output by writing to the configuration register. The system master can also invert the PCA9557 inputs by writing to the active HIGH polarity inversion register. Finally, the system master can reset the PCA9557 in the event of a time-out by asserting a LOW in the reset input. The power-on reset puts the registers in their default state and initializes the I2C-bus/SMBus state machine. The RESET pin causes the same reset/initialization to occur without de-powering the part.
上傳時間: 2014-01-18
上傳用戶:bs2005
The P82B96 offers many different ways in which it can be used as abus interface. In its simplest application it can be used as aninterface between bus systems operating from different supplyvoltages. Opto isolation between two bus systems is possible, andalso the availability of the Tx and Rx signals permits interfacing ofthe P82B96 with other bus systems which separate the forwardoutput path, from the backward input signal path.
上傳時間: 2013-10-11
上傳用戶:洛木卓
This application note describes how to implement the Bus LVDS (BLVDS) interface in the supported Altera ® device families for high-performance multipoint applications. This application note also shows the performance analysis of a multipoint application with the Cyclone III BLVDS example.
標簽: Implementing LVDS 522 Bus
上傳時間: 2013-11-10
上傳用戶:frank1234
Bus Hound硬件開發的必備工具,這個是教程喲
上傳時間: 2013-11-14
上傳用戶:1051290259
This application note describes how to implement the Bus LVDS (BLVDS) interface in the supported Altera ® device families for high-performance multipoint applications. This application note also shows the performance analysis of a multipoint application with the Cyclone III BLVDS example.
標簽: Implementing LVDS 522 Bus
上傳時間: 2013-10-26
上傳用戶:蘇蘇蘇蘇
本文檔說明實際建立一個CAN-bus網絡時,對網絡布線和CAN 接口的設計,對通訊電 纜和連接器的選擇,以及一些保障通訊可靠、提高抗干擾能力的經驗措施。
上傳時間: 2013-11-09
上傳用戶:AISINI005
CAN(Controller Area Network——控制器局域網)是一種由 CAN 控制器組成的高性能串行數據局域通信網絡,是國際上應用最廣泛的現場總線之一。它最早由德國 Bosch 公司于 1984 年推出,最初用于汽車內部測量與執行部件之間的數據通信。CAN-bus 總線模型符合 OSI 的 7 層結構;CAN-bus 規范已被 ISO 估計標準組織制定為國際標準。
上傳時間: 2013-11-13
上傳用戶:lvzhr
CANWiFi-600/622是為電信級應用而設計的工業級CAN轉WiFi接口卡/設配器,它內部集成了一路/兩路CAN-bus 接口、一個以太網接口、一路無線WIFI接口以及TCP/IP 協議棧,符合 IEEE802.11b/g/n 標準,具有傳輸速率高、接收靈敏度高和傳輸距離遠等特點,CANWIFI-600/622通過與 WiFi 基站設備(或無線寬帶路由器或無線AP)一起配合使用,設備可以在與其它擁有相同網絡ID的接入點間自由的漫游,通過無線WiFi把CAN網絡接入Wireless Ethernet。用戶利于它可以輕松完成CAN-bus 網絡和Wireless Ethernet的互連互通,進一步拓展CAN-bus 網絡的范圍。
上傳時間: 2015-01-02
上傳用戶:cooran
實現學生的SPA成績計算
上傳時間: 2014-01-16
上傳用戶:hongmo