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Altera_Forum
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14 years ago

LVDS receiver resistors

I'm currently developing on a DE2-115 together with an HSMC daughter card (TI's ADS58B18EVM through HSMC-ADC-bridge adapter). I need to use LVDS I/O standard for interfacing the cards, so I know I ha...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

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I added a DDRIO_in megafunction to interfacing the ADC chip.Pin IN[5:0] and INCLK are from ADS62P29 and SIGNAL_TAP_CLK is used in the signaltap clk.

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You cannot probe at the DDR inputs, you need to probe at the DDR block outputs, i.e., the half clock-rate data.

Cheers,

Dave