DM365 digital and analog video simultaneously

Trevor Zaharichuk said:

We are working on a new project that requires simultaneuous display of video on a WQVGA LCD display, as well as display video on an HD display.  From what I can tell this is possible with the DM365.

While the DM365 does have both analog outputs and digital outputs they are not independent of each other, that is the same video source and timings are used for both the digital and analog outputs, typically this means that you can only practically use one or the other at any given time. This being said, you could drive the 720p analog output from the on board DACs, but the digital output in this mode would be of the same timings and resolution, so the receiver on the digital interface would have to be able to manage the 720p resolution and timings, thus you would probably need some sort of adapter (FPGA perhaps) for your smaller WQVGA LCD to give it the proper image size and timings.

Note that I have not seen this implemented with the DM365 yet, so there may be some unforeseen issue, I believe this would work however based on what I have seen done with prior processors which have a similar VPBE.

Trevor Zaharichuk said:

Ideally, we would actually like to have WQVGA on the LCD, and an HDMI/DVI output capable of 720P.  Any suggestions on how to accomplish that?

This would also reqiure external hardware to cope with timing and resolution changes, you would probably have the digital output of the DM365 driving into an FPGA and a DVI serializer, where the FPGA could scale down the image to display on the WQVGA LCD.