System Specification
                            
                            
                        
                            
                                Device Selection
                            
                            
                        
                            
                                Early System and Board Planning
                            
                            
                        
                            
                                Pin Connection Considerations for Board Design
                            
                            
                        
                            
                                I/O and Clock Planning
                            
                            
                        
                            
                                Design Entry
                            
                            
                        
                            
                                Design Implementation, Analysis, Optimization, and Verification
                            
                            
                        
                            
                            
                                Design Checklist
                            
                        
                            
                                Appendix: Cyclone® 10 GX Transceiver Design Guidelines
                            
                            
                        
                            
                            
                                Conclusion
                            
                        
                            
                            
                                Document Revision History
                            
                        
                    
                Clock Feedback Mode
The default clock feedback mode is direct compensation mode.
Fractional PLLs support the following clock feedback modes:
- Direct compensation
 - Feedback compensation bonding
 
I/O PLLs support the following clock feedback modes:
- Direct compensation
 - Normal compensation
 - Source synchronous compensation
 - LVDS compensation
 - ZDB compensation
 - External feedback compensation 
     
Table 46. Clock Feedback Mode Checklist Number Done? Checklist Item 1 Ensure you select the correct PLL feedback compensation mode.