Is it possible to get the ADV8005 evaluation board in a non-HDCP version?
We have considered producing an EVAL-ADV8005-SMZ-P but it wouldn't really have any additional functionality over the EVAL-ADV8003-SMZ-P.
Are you not able to use the EVAL-ADV8003-SMZ-P for some reason?
That's a good question I guess. We use the ADV7511 in a product we make but it only does 225MHz. We now need to transmit at 297MHz to do a non-standard resolution at a non standard frame rate. I suppose it would be a transmitter that would complement the ADV7619 - but such a device from ADI does not seem to exist. In our search for a solution that has the convenience of an ADI HDMI transmitter (ie not going the FPGA GTX route) we are thinking we could use the ADV8005 to scale the video as required to get non standard resolution. This depends on the configurability of the device and of course its bandwidth. Can the ADV8003/ADV8005 support non-standard resolution output (2160x1200), with custom blanking at 297MHz (which I guess is 1080p120 equivalent)?
The ADV8003/ADV8005 can output up to 297MHz.
The issue is that the hardware/software is designed to take up to 1080p60 (36-bit video data) from ADV7842 and route it to ADV8003/ADV8005. As such I'm not sure JT6 or JT3 will support the data required for 297MHz.
What does your digital audio / video output look like? In other words, what would you be providing to the ADV8003/ADV8005?
We build cameras (this is the reason we're not interested in HDCP), no audio, the video is processed in an FPGA and there is a parallel clocked video output (RGB or YCbCr). We have a lot of flexibility in this regard.
However, our desire with the eval board is to test the output at 2160x1200, 90Hz to check compatibility with a non-standard video display before we start the design. For our purposes this could be a low resolution test pattern input to the board at 90Hz scaled up in the 8003/8005 to the correct resolution or internally generated color bars if this option exists in one of the devices on the board.
Do you see any issues with this approach?
The challenge is that the current implementation (and thus support) for these evaluation boards uses the TMDS interface for video with pixel clock frequencies up to 297MHz and the TTL interface for video with pixel clock frequencies below 150MHz.
Can you list out your video output signals? Are they similar to what the ADV7619 uses for video with pixel clock frequencies above 150MHz? Shown in ADV7619 Functionality and Features document, Table 83 (Special SDR 4:2:2 and 4:4:4 Output Modes for Video with Pixel Clock Frequencies above 150 MHz)
If you have our EVAL-ADV8003-SMZ-P, you should be able to use the software driver to experiment with setting the output resolution to 2160p30. If that works, you could experiment with connecting your video output signals on to JT3 and modifying the FPGA to route these signals to the appropriate pin on the ADV8003.
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