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Altera_Forum
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14 years ago

gxb2_cal_clk in SDI-receiver

Hello I use SD-SDI receiver in ArriaGX device. Global clock in project - 27MHz. rx_sd_oversample_clk_in - 67.5 MHz what calibration clock I must to connect to 'megafunction input "gxb2_cal_...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

in devices like Stratix IV GX, you need a calibration and reconfiguration clock. the overlap of the two ranges makes 50 MHz a common choice