SPRUI30H November 2015 – May 2024 DRA745 , DRA746 , DRA750 , DRA756
Figure 9-59 shows VBLNK from Group 1 and HBLNK from Group 2 being used. In this case, set USE_ACTVID_HSYNC_N=’0’ and DISCRETE_BASIC_MODE=’0’. Vertical Ancillary lines will be sent to the Vertical Ancillary output at Active Video will be sent out the Active Video output.
If DISCRETE_BASIC_MODE=’1’ is chosen, all lines including vertical blanking ones will be sent to the Active Video buffer. Since a line is delineated by HBLNK and HBLNK toggles in vertical blanking as well as active video, every incoming pixel will be save to the Active Video buffer.