PM3350-SW datasheet(6/224 Pages) PMC

6 / 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

Request and Acknowledge Counter Registers..................................... 169

PROGRAMMER'S MODEL ............................................................................... 170

Local Memory Map .....................................................................................170

General-Purpose Registers.................................................................. 170

Special-Purpose Registers................................................................... 170

Control Registers ................................................................................. 172

CPU Special Registers......................................................................... 175

Device Control Registers ..................................................................... 176

RPCIM Functional Block (PCI access DMA channel).................................185

Serial Communications Controller logic (SCC module) ..............................203

Interrupts ....................................................................................................215

Coprocessor Condition Tests .....................................................................216

General-Purpose Inputs .............................................................................216

General-Purpose Outputs ..........................................................................217

Programming Notes ...................................................................................218

General Switching Firmware Structure................................................. 218

Local Port Interrupt Handlers ............................................................... 218

Work Queue Interrupt Handler............................................................. 218

Expansion Port Counter Interrupt Handler ........................................... 218

Expansion Port Data Transfer Interrupt Handler.................................. 218

Alarm Interrupt Handlers ...................................................................... 218

Background Task Dispatcher ............................................................... 219

SYSTEM IMPLEMENTATION CONSIDERATIONS.......................................... 220

Power Supply Sequencing .........................................................................220

System Reset .............................................................................................220

Device Configuration ..................................................................................220

PCI Interfacing............................................................................................220

PCI Bus Arbitration .....................................................................................220

Memory Bus Loading .................................................................................220

ORDERING AND THERMAL INFORMATION .................................................. 221

MECHANICAL INFORMATION ......................................................................... 222

THERMALLY ENHANCED BALL GRID ARRAY(SBGA) ...........................222

256 PIN SBGA -27x27 MM BODY - (B SUFFIX)........................................222

PM3350-SW Datasheet(PDF) 6 Page - PMC-Sierra, Inc