1. W1, W2 and W3 are the internal delays, caused by data transfer delay on the processor's internal bus. These delays are variable by their nature, but relatively small versus the period of the DISPLAY_CLK clock that defines the LCDIF timings in the MPU mode.
2. TDSR and TDHR are the Data Setup and Data Hold times, as defined in the LCDIF_TIMING register, correspondingly.
3. The Data Setup and Data Hold times, together with small Wx delays, define the parameters of the LCD_RD_E pulse.
Have a great day,
Artur
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