As [Mike] points out, this requires a lot of IO pins, and many development boards only support 8 bit VGA. Analog VGA is being replaced with DVI-D and HDMI on many devices nowadays, so it would be ...
For the young'uns reading who are still none the wiser, these 29-pin and 15-pin connectors were ... given I'm quite literally still using a DVI-D cable right now to connect my second monitor ...