1.1. Key Advantages of Arria® V Devices
                            
                        
                            
                            
                                1.2. Summary of Arria® V Features
                            
                        
                            
                                1.3. Arria® V Device Variants and Packages
                            
                            
                        
                            
                            
                                1.4. I/O Vertical Migration for Arria® V Devices
                            
                        
                            
                            
                                1.5. Adaptive Logic Module
                            
                        
                            
                            
                                1.6. Variable-Precision DSP Block
                            
                        
                            
                                1.7. Embedded Memory Blocks
                            
                            
                        
                            
                            
                                1.8. Clock Networks and PLL Clock Sources
                            
                        
                            
                            
                                1.9. FPGA General Purpose I/O
                            
                        
                            
                            
                                1.10. PCIe* Gen1, Gen2, and Gen 3 Hard IP
                            
                        
                            
                                1.11. External Memory Interface
                            
                            
                        
                            
                                1.12. Low-Power Serial Transceivers
                            
                            
                        
                            
                                1.13. SoC with HPS
                            
                            
                        
                            
                                1.14. Dynamic Reconfiguration
                            
                            
                        
                            
                            
                                1.15. Enhanced Configuration and Configuration via Protocol
                            
                        
                            
                            
                                1.16. Power Management
                            
                        
                            
                            
                                1.17. Document Revision History
                            
                        
                    
                1.9. FPGA General Purpose I/O
Arria® V devices offer highly configurable GPIOs. The following list describes the features of the GPIOs:
- Programmable bus hold and weak pull-up
- LVDS output buffer with programmable differential output voltage (VOD ) and programmable pre-emphasis
- On-chip parallel termination (RT OCT) for all I/O banks with OCT calibration to limit the termination impedance variation
- On-chip dynamic termination that has the ability to swap between series and parallel termination, depending on whether there is read or write on a common bus for signal integrity
- Unused voltage reference ( VREF ) pins that can be configured as user I/Os ( Arria® V GX, GT, SX, and ST only)
- Easy timing closure support using the hard read FIFO in the input register path, and delay-locked loop (DLL) delay chain with fine and coarse architecture