Intel N2820 FH8065301616603 Data Sheet

Intel

Product codes

FH8065301616603

Datasheet

3

Contents

Introduction ............................................................................................................ 15
1.1

Terminology ..................................................................................................... 17

Feature Overview .............................................................................................. 18

Physical Interfaces .................................................................................................. 23
2.1

Pin States Through Reset ................................................................................... 25

System Memory Controller Interface Signals ......................................................... 26

PCI Express* 2.0 Interface Signals ...................................................................... 27

USB 2.0 Host (EHCI/xHCI) Interface Signals ......................................................... 27

USB 2.0 HSIC Interface Signals ........................................................................... 28

USB 3.0 (xHCI) Host Interface Signals ................................................................. 28

Serial ATA (SATA) 2.0 Interface Signals................................................................ 28

Integrated Clock Interface Signals ....................................................................... 29

Display – Digital Display Interface (DDI) Signals.................................................... 30

2.10 Display – VGA Interface Signals .......................................................................... 31
2.11 Intel

High Definition Audio Interface Signals ....................................................... 31

2.12 SPCU – iLB – Real Time Clock (RTC) Interface Signals ............................................ 32
2.13 PCU – iLB – Low Pin Count (LPC) Bridge Interface Signals ....................................... 32
2.14 PCU – Serial Peripheral Interface (SPI) Signals ...................................................... 33
2.15 PCU – System Management Bus (SMBus) Interface Signals ..................................... 33
2.16 PCU – Power Management Controller (PMC) Interface Signals.................................. 34
2.17 JTAG and Debug Interface Signals ....................................................................... 34
2.18 Miscellaneous Signals......................................................................................... 35
2.19 GPIO Signals .................................................................................................... 35
2.20 Power And Ground Pins ...................................................................................... 40
2.21 Hardware Straps ............................................................................................... 42
2.22 Configurable IO – GPIO Multiplexing .................................................................... 42

Register Access Methods ......................................................................................... 43
3.1

Fixed IO Register Access .................................................................................... 43

Fixed Memory Mapped Register Access................................................................. 43

IO Referenced Register Access ............................................................................ 43

Memory Referenced Register Access .................................................................... 44

PCI Configuration Register Access........................................................................ 44

Message Bus Register Access .............................................................................. 46

Register Field Access Types ................................................................................ 47

Mapping Address Spaces ......................................................................................... 49
4.1

Physical Address Space Mappings ........................................................................ 49

IO Address Space .............................................................................................. 54

PCI Configuration Space ..................................................................................... 56

Integrated Clock...................................................................................................... 58
5.1

Features .......................................................................................................... 59

Power Management ................................................................................................. 61
6.1

Power Management Features .............................................................................. 61

Power Management States Supported .................................................................. 61

Processor Core Power Management...................................................................... 65