38.6.1.1 Pixel Clock Period Configuration
The pixel clock (LCDPCLK) generated by the timing engine is the source clock divided by the field CLKDIV in the LCDC_LCDCFG0 register. The source clock can be selected between the system clock and the 2x system clock with the field CLKSEL located in the LCDC_LCDCFG0 register.
Pixel clock period formula:
The pixel clock polarity is also programmable.