搜索结果

找到约 11,335 项符合 I2C接口 的查询结果

单片机编程 PCA9547 8 channel I2C bus mult

The PCA9547 is an octal bidirectional translating multiplexer controlled by the I2C-bus.The SCL/SDA upstream pair fans out to eight downstream pairs, or channels. Only oneSCx/SDx channel can be selected at a time, determined by the contents of theprogrammable control register. The device powers up w ...
https://www.eeworm.com/dl/502/31016.html
下载: 171
查看: 1146

单片机编程 PCA9547D/PW/BS I2C多路复用器和开关

PCA9547 是一款通过I2C 总线控制的八进制双向转换开关。它的每对SCL/ SDA 上行通道可以扩展为八对下行通道。但在某一时刻,由可编程控制寄存器中的内容来决定只有一路SCx/SDx 被选择。由多路复用器的通门,VDD 管脚可以用来限制PCA9547 通过的最高电压,这使得每一对SCL/SDA 可以使用不同的总线电压,因此1.8V、2.5V 或3.3V ...
https://www.eeworm.com/dl/502/31018.html
下载: 79
查看: 1185

单片机编程 PCA9548A 8 channel I2C bus swi

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 ...
https://www.eeworm.com/dl/502/31022.html
下载: 195
查看: 1108

单片机编程 PCA9548AB I2C多路复用器和开关

PCA9548A 是一款通过I2C 总线控制的八进制双向转换开关。它的每对SCL/ SDA 上行通道可以扩展为八对下行通道,可以通过可编程控制寄存器的内容来选择任意单一的SCx/SDx 通道或者组合通道。由多路复用器的通门,VDD 管脚可以用来限制PCA9547 通过的最高电压,这使得每一对SCL/SDA 都可以使用不同的总线电压,因此1.8V、2.5V ...
https://www.eeworm.com/dl/502/31024.html
下载: 171
查看: 1200

单片机编程 8-bit I2C-bus and SMBus IO port with reset

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-dra ...
https://www.eeworm.com/dl/502/31025.html
下载: 66
查看: 1132

单片机编程 PCA9698 I2C扩展芯片

PCA9698 是一款40 位I2C 输入/输出扩展器,能够实现I2C/SMBus 应用中40 位GPIO 的扩展
https://www.eeworm.com/dl/502/31027.html
下载: 188
查看: 1033

单片机编程 TIPC1000带视频输入接口的嵌入式触摸平板电脑

TIPC-1000是广州致远电子有限公司开发的基于S3C2440A处理器(ARM920T架构)的嵌入式触摸平板电脑。该产品具有美观的外形设计、资源丰富、接口齐全、可靠性高等特点,预装正版Microsoft Windows CE 5.0操作系统。
https://www.eeworm.com/dl/502/31031.html
下载: 36
查看: 1995

单片机编程 Using the P82B715 I2C extender

The P82B715 I2C Buffer was designed toextend the range of the local I2C bus out to50 Meters. This application note describesthe results of testing the buffer on severaldifferent types of cables to determine themaximum operating distances possible. Theresults are summarized in a table for easyreferen ...
https://www.eeworm.com/dl/502/31084.html
下载: 94
查看: 1103

单片机编程 I2C总线

I2C BUS(Inter IC BUS)是NXP 推出的芯片间串行传输总线,它以2 根连线实现了完善的双向同步数据传送,可以极方便地构成多机系统和外围器件扩展系统。I2C 总线采用了器件地址的硬件设置方法,通过软件寻址完全避免了器件的片选线寻址方法,从而使硬件系统具有最简单而灵活的扩展方法。I2C 总线的2 根线(串行数据——SDA, ...
https://www.eeworm.com/dl/502/31088.html
下载: 126
查看: 1025

单片机编程 CAT9554A IO 口扩展芯片

关键词 I/O 口扩展芯片、I2C、SMBus摘要CAT9554A 是一款将I2C/SMBus 接口扩展成8 位并行输入/输出I/O 口的器件
https://www.eeworm.com/dl/502/31102.html
下载: 98
查看: 1106