EN531, a Full Custom ASIC, performs a scaling by receiving HD(1280x720), SD progressive image of CCIR601 format and then outputs SD interlaced image of ITU BT.656 format so it drives an LCD of a digital camcorder.
It also provides better visibility at outdoor by performing RGB Gammacontrol.
YCbCr 16bits color space
4:2:2 video format
16bits bus width
HD : 1280x720 60p/50p, @74.25MHz
SD : 720x480 60i/p, @27MHz
SD : 720x576 50i/p, @27MHz or 13.5MHz
External Hsync, Vsync input