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Part Number: AFE5807EVM
I am developing a system using the AFE5807 and currently I'm using the EVM and the ADC<->HSMC adapter card. It seems like the EVM has to be set up by the windows software to make the clock circuit work properly. Is there a way to do this setup through the HSMC adapter card instead? (I guess SPI cs for the CDC circuit must be available on the HSMC) Having to first boot into windows to set up the EVM and then boot back to my regular development environment is not an ideal solution.
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In reply to Oystein Knauserud:
In reply to Olu Sodipe:
I'm using the EVM in TGC mode, not CW/Doppler. I will try to remove FB13 to power down the FT245. Could an alternative be to add a switch to the WE pin of the FT245 to make the data bus an input instead of an output? I that way I would still be able to use the gui by the flick of a switch. A third alternative could be to not insert the USB cable at all, thus not powering up the FT245? In any way, it seems like I need to perform some kind of init sequence: The clock circuit is the CDC7005. When the board is powered up it shows to red status LEDs next to the chip and the LVDS output clock does not run. When I start the windows software it initializes the board, the two red LEDs turns off and the LVDS clock starts. I guess I need to repeat the same init sequence when driving the SPI from JP18? -øystein-
Actually, the CDC7005 is used for CW mode only--it is not necessary if you are just capturing serial LVDS data. The initialization for the device should be similar to the AFE5809's as detailed in this post.
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