PM3350-SW datasheet(4/224 Pages) PMC

4 / 224 page

ELAN 8X10

PM3350 ELAN 8 X10

DATA SHEET

PMC-970109

ISSUE 3

8 PORT ETHERNET SWITCH

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND PMC-SIERRA, INC. CUSTOMERS ONLY

Clock Inputs and Outputs .............................................................................25

Miscellaneous Inputs and Outputs ...............................................................26

DC CHARACTERISTICS .................................................................................... 28

Absolute Maximum Ratings..........................................................................28

Recommended Operating Conditions ..........................................................28

D.C. Characteristics......................................................................................29

AC CHARACTERISTICS..................................................................................... 30

PCI Bus Interface .........................................................................................31

MAC Interface ..............................................................................................32

Memory Interface .........................................................................................34

60 ns EDO DRAM AC Timing ................................................................ 34

150 ns EEPROM/EPROM AC Timing.................................................... 34

Clocking........................................................................................................38

Miscellaneous...............................................................................................38

FUNCTIONAL DESCRIPTION ............................................................................ 39

Overview.......................................................................................................39

System Components ....................................................................................39

System Block Diagram........................................................................... 41

System Memory Map ............................................................................. 43

Device Internal Blocks ..................................................................................45

Switch Processor ................................................................................... 45

Ethernet MAC Interfaces........................................................................ 46

Multichannel DMA Controller ................................................................. 49

Memory Controller.................................................................................. 50

PCI Expansion Port................................................................................ 51

Watchdog Timer Facility ........................................................................ 55

Configuration and Initialization .....................................................................56

Two-step process................................................................................... 56

Four-step process .................................................................................. 56

Device Configuration.............................................................................. 57

System Bootstrap Image........................................................................ 59

Configuration Parameters ...................................................................... 63

Stand-Alone System Boot ...................................................................... 63

Master/Slave System Boot..................................................................... 63

Host-Controlled System Boot................................................................. 63

Self Test and Error Reporting ................................................................ 64

Data Structures ............................................................................................65

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