Re: Where to put the "resolution"? Pulleys, motors, drivers.. ?


Howard Dutton
 

Yes.

CS is chip select it signals which device (axis1 or axis2 TMC2130 ) should be active on the bus.

When CS is HIGH (3.3V) that slave device ignores the MOSI line (master out slave in, AKA it's SDI "data in") and CLK lines.  When CS is pulled LOW (0V) it starts listening.

Data is moved (MOSI HIGH/LOW for 1/0) in sync with state changes (LOW/HIGH/LOW...) on the CLK (clock) line.

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