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Altera_Forum
Honored Contributor
16 years agoThanks Phillipp,
I managed to sucessfully copy the ports and pinout from the reference design and am able to successfully transmit the input to AD Ch. A to both outputs but the input signal at AD Ch. B is distorted and I think this is due to a discrepancy with the pin assignment. Specifically, the Altera documentation gives the pinout for HSMC_TX_N10 as E18 but this is not available for use since, as shown in your pinout, this is a 'RESERVED_OUTPUT_OPEN_DRAIN'. The ref design used pin D18 for this but I suspect this (or some other pins) is/are not correct as it seems some bits of the input signals are missing. Have you any ideas how to solve this?? Thanks Ben.