3
Datasheet—82573
Contents
1.0 Introduction..............................................................................................................7
1.1 Document Scope.................................................................................................8
1.2 Reference Docume nt s ............................. ............ ........... ........... ............ ........... ....8
1.3 82573 Architecture .............................................................................................9
1.4 Product Codes for the 82573............................................................................... 1 0
2.0 Signal Descriptions.................................................................................................. 10
2.1 Signal Typ e Defini tions.. ........... ........... ................... ............ ................... ........... .. 10
2.2 PCIe* Data Signals............................................................................................ 11
2.3 PCIe* Miscellaneous Signals ............................................................................... 11
2.4 Non-Volatile Memory Interface Signals................................................................. 12
2.5 Miscellaneo us Sig nal s .......... .... ........... ................... ............ ........... ............ ......... 12
2.5.1 Reset and Power-down Signals................................................................. 12
2.5.2 System Management Bus (SMBus ) Signal s ......... ............ ........... ........... ...... 13
2.5.3 LED Signals........................................................................................... 13
2.5.4 Other Signal s.... ... ............ ................... ........... ............ ........... ................. 13
2.6 PHY Analog and Crystal Si gn als..... .... ........... ........... ................... ............ ........... .. 14
2.7 Test Signals...................................................................................................... 15
2.7.1 MAC Test Signals.. ............ ........... ............ ........... ........... ................... ...... 15
2.7.2 PHY Test Signals .................. ................... ........... ........... ............ ........... .. 15
2.7.3 Other Test Signals................... ................... ............ ........... ............ ......... 15
2.8 Power Sign als .. .... ................... ........... ............ ................... ........... ............ ......... 16
2.8.1 Power Support Signals .. .... ........... ................... ............ ........... ........... ...... 16
2.8.2 Digital and Analo g Pow er Supp ly Si gn als ............... .... ................... ........... .. 16
2.9 Grounds and No Connects .................................................................................. 16
3.0 Voltage, Temperature, and Timing Specifications .................................................... 17
3.1 Absolut e Maximum Ratings............... ........... ................... ........... ............ ........... .. 17
3.2 Recommended Operating Conditions.................................................................... 17
3.3 Power Supp ly Connect ions................... ............ ................... ........... ............ ......... 17
3.3.1 External LVR Power Delivery.................................................................... 18
3.3.2 Power Sequen cin g wit h Ext e rnal Re gulators ........... ........... ............ ............. 19
3.3.3 Internally Generated Power Delivery......................................................... 20
3.3.4 Internal LVR Power Sequencing................................................................ 21
3.4 DC and AC Specifica tions...... ............ ........... ........... ................... ............ ........... .. 25
3.5 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
4.0 Package and Pinout Information ............................................................................. 30
4.1 Package Information.......................................................................................... 30
4.2 Thermal Specifi cati on s .. ... ............ ................... ........... ............ ........... ................. 32
4.3 Pinout In formation .................. ........... ................... ............ ........... ................... .. 33
4.3.1 PCIe Bus Interface Signals.......................................................................33
4.3.2 Non-Volatile Memory Interface Signals...................................................... 34
4.3.3 Miscellan eous Sig nal s ... ........... ............ ........... ............ ........... ................. 34
4.3.4 PHY Signals................. ........... ............ ................... ........... ............ ......... 35
4.3.5 Test Signals........................................................................................... 35
4.3.6 Power Supp ly Sign als........ .... ........... ........... ................... ............ ........... .. 36
4.4 Visual Pin Assignments....................................................................................... 38