PCA9548A—I2C多路复用器和开关产品数据手册

The PCA9548A is an octal bidirecTIonal translaTIng switch controlled via the I2C-bus. The

SCL/SDA upstream pair fans out to eight downstream pairs, or channels. Any individual

SCx/SDx channel or combinaTIon of channels can be selected, determined by the

contents of the programmable control register.