Settings of the CLK signal

The Clock signal can be set to 4 variations resulting from 2 parameters: Clockphase (CLK-Phase) and Clockpolarity (ClkPolarity):

 

CLK-Phase CLK-Polarity Settings Simulyzer
Data transmission with rising edge.spi_betr1.jpg Idle  =0   1_16_buspa1.jpg
 
Data transmission with rising edge.     Idle =1 1_16_buspa3.jpg
spi_betr4.jpg
  Data transmission with falling edge. Idle  =0
 
  1_16_buspa2.jpg
spi_betr2.jpg
  Data transmission with falling edge.
 
  Idle  =1
 
1_16_buspa4.jpg
spi_betr3.jpg

 

The settings are done at the SPI-Bus-Configuration window.

 

Procedure

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Open the SPI-Bus-Configuration window.

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Enter the both parameters in the desired field of the section Bus-Parameter by clicking on the field.