For SVGA (800×600) (FT81X only), the refresh rate is 60Hz (typical configuration).
For WQVGA (480×272), the refresh rate is 60Hz (typical configuration) For QVGA (320X240); the refresh rate is 60Hz (typical configuration)
Depending on the display panel requirement, other values of refresh rates can be configured by adjusting PCLK_DIV, HCYCLE and VCYCLE registers.