Hi Jack, That rate is for the -1L speed grade, this is the lower power option. As far as I know the "standard" speed grade is the -1 which is quoted to support 1.25 Gbps DDR.
Best, Rurik On Mon, Jun 2, 2014 at 6:17 PM, Jack Hickish <[email protected]> wrote: > Howdy, > > The wiki says the ADC5g can run at maximum rate (1.25 Gb/s) on ROACH2, > but the LVDS maximum input rate (for a standard speed-grade ROACH2) > appears to be 1.1 Gb/s -- Table 41, > http://www.xilinx.com/support/documentation/data_sheets/ds152.pdf > > Am I missing something or looking at the wrong table? I'm sure I read > somewhere that the max speed was 1.25Gb/s? > > Jack >
