Description
The cal_blk_clk for XAUI PHY IP was embedded in the phy_mgmt_clk.
Resolution
For protocol that need to connect cal_blk_clk with XAUI, you can connect it to the phy_mgmt_clk of XAUI PHY IP. However, please take note of the frequency of the phy_mgmt_clk and cal_blk_clk by refererring to respective device handbook.