CLKFBOUT – Dedicated PLL Feedback Output

For the possible configurations of CLKFBOUT, see This Figure and This Figure . Unlike the MMCM, the CLKFBOUT cannot drive logic.

Figure 3-17: Clock Deskew Using BUF_IN Compensation Mode

X-Ref Target - Figure 3-17

Figure 3-18: PLL Internal Feedback

X-Ref Target - Figure 3-18