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The PCA9672 provides general purpose remote I/O expansion for most microcontrollerfamilies via the two-line bidirectional bus (I2C-bus) and is a part of the Fast-mode Plusfamily.The PCA9672 is a drop-in upgrade for the PCF85

The PCA9673 provides general purpose remote I/O expansion for most microcontrollerfamilies via the two-line bidirectional bus (I2C-bus) and is a part of the Fast-mode Plusfamily.The PCA9673 is a drop in upgrade for the PCF85

The PCA9674/74A is a drop-in upgrade for the PCF8574/74A providing higher Fast-modePlus I2C-bus speeds (1 MHz versus 400 kHz) so that the output can support PWMdimming of LEDs, higher I2C-bus drive (30 mA versus 3 mA) so that ma

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

關(guān)鍵詞 PCA9698、寄存器、編程摘要 以 LPC2000 系列的ARM 為例，講述PCA9698 芯片的應(yīng)用解決方案

PCA9698 是一款40 位I2C 輸入/輸出擴展器，能夠?qū)崿F(xiàn)I2C/SMBus 應(yīng)用中40 位GPIO 的擴展

PCF2123是NXP公司推出的一款低功耗的CMOS實時時鐘/日歷芯片。該芯片具有SPI接口，數(shù)據(jù)通過SPI總線傳輸，總線速率高達6.25Mbit/s。PCF2123具有報警功能、定時器功能、時鐘輸出功能、

PCM-16xx系列工業(yè)多串口卡可以應(yīng)用于傳統(tǒng)的RS-232/422/485串行通訊領(lǐng)域，快速擴充PC機標準COM通訊端口的數(shù)量。兼容PC/104規(guī)范，即插即用；集成4個串行通訊端口；同一PC可安裝多達8塊同

PCM-8416AS是一款功能強大的高分辨率多功能PC/104數(shù)據(jù)采集卡，提供有16路模擬信號輸入、2路模擬信號輸出、8路數(shù)字量輸入、8路數(shù)字量輸出、2個定時/計數(shù)器，單塊卡即可滿足工業(yè)應(yīng)用

本手冊敘述PROFIBUS的基本特征，并考慮到2002年底的可用技術(shù)水平，其目的是對世界領(lǐng)先的現(xiàn)場總線系統(tǒng)PROFIBUS給出一個全面的描述，而又不太陷入具體的細節(jié)。    &nb