Datasheet—82573
Contents
1.0 Introduction..............................................................................................................7
1.1
1.2
1.3
1.4
Document Scope.................................................................................................8
Reference Documents..........................................................................................8
82573 Architecture .............................................................................................9
Product Codes for the 82573............................................................................... 10
2.0 Signal Descriptions.................................................................................................. 10
2.1
2.2
2.3
2.4
2.5
Signal Type Definitions....................................................................................... 10
PCIe* Data Signals............................................................................................ 11
PCIe* Miscellaneous Signals ............................................................................... 11
Non-Volatile Memory Interface Signals................................................................. 12
Miscellaneous Signals ........................................................................................ 12
2.5.1 Reset and Power-down Signals................................................................. 12
2.5.2 System Management Bus (SMBus) Signals................................................. 13
2.5.3 LED Signals........................................................................................... 13
2.5.4 Other Signals......................................................................................... 13
PHY Analog and Crystal Signals........................................................................... 14
Test Signals...................................................................................................... 15
2.7.1 MAC Test Signals.................................................................................... 15
2.7.2 PHY Test Signals .................................................................................... 15
2.7.3 Other Test Signals.................................................................................. 15
Power Signals................................................................................................... 16
2.8.1 Power Support Signals ............................................................................ 16
2.8.2 Digital and Analog Power Supply Signals ................................................... 16
Grounds and No Connects .................................................................................. 16
2.6
2.7
2.8
2.9
3.0 Voltage, Temperature, and Timing Specifications .................................................... 17
3.1
3.2
3.3
Absolute Maximum Ratings................................................................................. 17
Recommended Operating Conditions.................................................................... 17
Power Supply Connections.................................................................................. 17
3.3.1 External LVR Power Delivery.................................................................... 18
3.3.2 Power Sequencing with External Regulators ............................................... 19
3.3.3 Internally Generated Power Delivery......................................................... 20
3.3.4 Internal LVR Power Sequencing................................................................ 21
DC and AC Specifications.................................................................................... 25
External Interfaces............................................................................................ 28
3.5.1 Crystal.................................................................................................. 28
3.5.2 External Clock Oscillator ......................................................................... 28
3.5.3 Non-Volatile Memory (NVM) Interface: EEPROM ......................................... 29
3.4
3.5
4.0 Package and Pinout Information ............................................................................. 30
4.1
4.2
4.3
Package Information.......................................................................................... 30
Thermal Specifications ....................................................................................... 32
Pinout Information ............................................................................................ 33
4.3.1 PCIe Bus Interface Signals....................................................................... 33
4.3.2 Non-Volatile Memory Interface Signals...................................................... 34
4.3.3 Miscellaneous Signals ............................................................................. 34
4.3.4 PHY Signals........................................................................................... 35
4.3.5 Test Signals........................................................................................... 35
4.3.6 Power Supply Signals.............................................................................. 36
Visual Pin Assignments....................................................................................... 38
4.4
3