DS90UB953-Q1: How to extend the pulse width of VSYNC while DS90UB953 generate color bar pattern?

Dear Sir,

I use ds90ub953 as color bar pattern instead of real image sensor, my application SOC needs 200us pulse width of Vsync , is it possible to extend the pusle width of Vsync in UB953 side or UB954 CS2 TX side?

Thanks.