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单片机编程 I2C的模拟驱动资料下载
I2C的模拟驱动资料
单片机编程 基于I2C总线的单主多从单片机之间的通信
介绍了作者所设计的基于I2C 总线的测试系统的结构及I2C 总线通信协议的特点，给出了I2C 总线在avr 单片机Atmega128 和三个Atmega168 通信时的具体主发和从收程序的流程图及部分C 语言程序，实现了Atmega128 单片机与三个Atmega168 单片机之间的可靠通信。最后，总结了编写I2C 通信程序时的注意事项。 ...
单片机编程 PCA9515D PCA9515DP I2C中继器
PCA9515 是一款采用BiCMOS 工艺的总线中继器，通过它可以扩展I2C 和SMBus 系统。PCA9515 在保持总线操作模式和特性的情况下，通过缓存数据线（SDA）和时钟线（SCL）的数据实现I2C 总线扩展，总线容性负载能力最大为400pF。
单片机编程 PCA9534 8bit I2C bus and SMBus low power IO port with interru
The PCA9534 is a 16-pin CMOS device that provide 8 bits of General Purpose parallel
Input/Output (GPIO) expansion for I2C-bus/SMBus applications and was developed to
enhance the NXP Semiconductors family of I2C-bus I/O expanders. The improvements
include higher drive capability, 5 V I/O toleran ...
单片机编程 PCA9516 5channel I2C hub
The PCA9516 is a BiCMOS integrated circuit intended forapplication in I2C and SMBus systems.While retaining all the operating modes and features of the I2Csystem, it permits extension of the I2C-bus by buffering both the data(SDA) and the clock (SCL) lines, thus enabling five buses of 400 pF.The I2C ...
单片机编程 PCA9535 PCA9535C 16bit I2C bus
The PCA9535 and PCA9535C are 24-pin CMOS devices that provide 16 bits of GeneralPurpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications and wasdeveloped to enhance the NXP Semiconductors family of I2C-bus I/O expanders. Theimprovements include higher drive capability, 5 V I/O t ...
单片机编程 PCA9516 I2C中继器
PCA9516 是一款基于BICMOS 工艺的I2C/SMBus 总线中继器。PCA9516 保持I2C 总线系统所有的模式与特性的同时，允许扩展I2C/时钟总线和连接5 条最大容限为400pF 电容的总线。当I2C 总线上有400pF 的电容时，总线长度和器件的数量都会被限制。系统设计者把总线分成五部分，各部分之间的传输只有一个复用器的延时。 ...
单片机编程 PCA9536 4bit I2C bus and SMBus
The PCA9536 is an 8-pin CMOS device that provides 4 bits of General Purpose parallelInput/Output (GPIO) expansion for I2C-bus/SMBus applications and was developed toenhance the NXP Semiconductors family of I2C-bus I/O expanders. I/O expanders providea simple solution when additional I/O is needed fo ...
单片机编程 PCA9517 Level translating I2C-
The PCA9517 is a CMOS integrated circuit that provides level shifting between lowvoltage (down to 0.9 V) and higher voltage (2.7 V to 5.5 V) I2C-bus or SMBus applications.While retaining all the operating modes and features of the I2C-bus system during thelevel shifts, it also permits extension of t ...
单片机编程 PCA9537 4bit I2C bus and SMBus
The PCA9537 is a 10-pin CMOS device that provides 4 bits of General Purpose parallelInput/Output (GPIO) expansion with interrupt and reset for I2C-bus/SMBus applicationsand was developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders.I/O expanders provide a simple solution when ad ...