Altera MAX 10 Clocking and PLL - Manual (Page 2)

Contents
MAX 10 Clocking and PLL Overview................................................................. 1-1
Clock Networks Overview.......................................................................................................................... 1-1
Internal Oscillator Overview......................................................................................................................1-1
PLLs Overview..............................................................................................................................................1-1
MAX 10 Clocking and PLL Architecture and Features......................................2-1
Clock Networks Architecture and Features............................................................................................. 2-1
Global Clock Networks................................................................................................................... 2-1
Clock Pins Introduction..................................................................................................................2-1
Clock Resources............................................................................................................................... 2-2
Global Clock Network Sources...................................................................................................... 2-2
Global Clock Control Block............................................................................................................2-4
Global Clock Network Power Down.............................................................................................2-6
Clock Enable Signals........................................................................................................................2-7
Internal Oscillator Architecture and Features......................................................................................... 2-8
PLLs Architecture and Features.................................................................................................................2-8
PLL Architecture..............................................................................................................................2-8
PLL Features................................................................................................................................... 2-10
PLL Locations.................................................................................................................................2-10
Clock Pin to PLL Connections.....................................................................................................2-12
PLL Counter to GCLK Connections...........................................................................................2-12
PLL Control Signals.......................................................................................................................2-13
Clock Feedback Modes..................................................................................................................2-14
PLL External Clock Output.......................................................................................................... 2-17
ADC Clock Input from PLL.........................................................................................................2-19
Spread-Spectrum Clocking...........................................................................................................2-19
PLL Programmable Parameters...................................................................................................2-19
Clock Switchover........................................................................................................................... 2-22
PLL Cascading................................................................................................................................2-26
PLL Reconfiguration..................................................................................................................... 2-26
MAX 10 Clocking and PLL Design Considerations........................................... 3-1
Clock Networks Design Considerations...................................................................................................3-1
Guideline: Clock Enable Signals.................................................................................................... 3-1
Guideline: Connectivity Restrictions............................................................................................ 3-1
Internal Oscillator Design Considerations...............................................................................................3-2
Guideline: Connectivity Restrictions............................................................................................ 3-2
PLLs Design Considerations...................................................................................................................... 3-2
Guideline: PLL Control Signals......................................................................................................3-2
Guideline: Self-Reset........................................................................................................................3-2
Guideline: Output Clocks............................................................................................................... 3-2
TOC-2
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