In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Mr_Nuke wrote:

Hi pjv, 
 

What I want to do is have an RS485 transmitter for the SCLK, MOSI, and each SS line on the master side, and a reciever for the MISO line. Each Slave will have 3 recievers (MOSI, SCLK and SS), and one transmitter(MISO). As a safety feature, I want to connect the SCLK, MOSI and MISO lines only to the adressed slave. I don't want to use a separate transmitter/reciever for each slave for the MISO, MOSI, ans SCLK lines, so I am thinking of using a multiplexer(actually, six of them in total) to connect the right slave. I don't have a schematic at this point, since I don't even know if the multiplexer will not affect the differetial signal.

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