PM3351-SW datasheet(4/268 Pages) PMC

4 / 268 page

PM3351 ELAN 1X100

DATA SHEET

PMC-970113

ISSUE 3

SINGLE PORT FAST ETHERNET SWITCH

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE

DC CHARACTERISTICS ..................................................................................... 21

Absolute Maximum Ratings ......................................................................... 21

Recommended Operating Conditions .......................................................... 21

D.C. Characteristics ..................................................................................... 22

AC CHARACTERISTICS ..................................................................................... 23

PCI Bus Interface......................................................................................... 24

MII Interface ................................................................................................. 25

Memory Interface ......................................................................................... 27

15 nS SRAM AC Timing ......................................................................... 27

150 ns EEPROM/EPROM AC Timing .................................................... 28

60 ns EDO DRAM AC Timing................................................................. 29

Clocking ....................................................................................................... 31

Miscellaneous .............................................................................................. 31

FUNCTIONAL DESCRIPTION............................................................................. 32

Overview ...................................................................................................... 32

System Components.................................................................................... 32

System Block Diagram ........................................................................... 33

System Memory Map.............................................................................. 34

Device Internal Blocks ................................................................................. 37

Switch Processor .................................................................................... 37

100Mbit/s Ethernet MAC Interface ......................................................... 38

Multichannel DMA Controller ....................................................................... 43

Memory Controller ....................................................................................... 46

PCI Expansion Port...................................................................................... 47

Watchdog Timer Facility ......................................................................... 51

Device Configuration .............................................................................. 52

System Bootstrap Image ........................................................................ 54

Configuration Parameters....................................................................... 60

Self Test and Error Reporting ................................................................. 61

Data Structures ............................................................................................ 63

Switch Processor Operating Environment .............................................. 64

Packet Buffers ........................................................................................ 68

Data Descriptors ..................................................................................... 71

Transfer Rings ........................................................................................ 74

Local Port Descriptor and Port Descriptor Counters............................... 76

Expansion Port Descriptor Table ............................................................ 84

Address Hash Table ............................................................................... 86

Free Pools .............................................................................................. 94

PM3351-SW Datasheet(PDF) 4 Page - PMC-Sierra, Inc

PM3351-SW Datasheet(HTML) 4 Page - PMC-Sierra, Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL