pca954x系列芯片对比
本文主要内容：
1 pca9543 通用描述，原理框架，PDF下载连接
2 pca9544 通用描述，原理框架，PDF下载连接
3 pca9545 通用描述，原理框架，PDF下载连接
4 pca9546 通用描述，原理框架，PDF下载连接
5 pca9547 通用描述，原理框架，PDF下载连接
6 pca9548 通用描述，原理框架，PDF下载连接
7 pca954x 对比总结，PDF下载连接
1 pca9543
1 通用描述
The PCA9543A/43B is a bidirectional translating switch, controlled by the I2C-bus. The SCL/SDA upstream pair fans out to two downstream pairs, or channels. Any individual SCx/SDx channels or combination of channels can be selected, determined by the contents of the programmable control register. Two interrupt inputs, INT0 and INT1, one for each of the downstream pairs, are provided. One interrupt output, INT, which acts as an AND of the two interrupt inputs, is provided. An active LOW reset input allows the PCA9543X to recover 讯享网
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