PM3350 Datasheet, PDF (6/224 Pages) PMC-Sierra, Inc – 8-Port 10 Mbit/s Switch

ELAN 8X10
DATA SHEET
PMC-970109
ISSUE 3
PM3350 ELAN 8 X10
8 PORT ETHERNET SWITCH
Request and Acknowledge Counter Registers..................................... 169
PROGRAMMER'S MODEL ............................................................................... 170
Local Memory Map .....................................................................................170
Register Map ..............................................................................................170
General-Purpose Registers.................................................................. 170
Special-Purpose Registers................................................................... 170
Control Registers ................................................................................. 172
Register Descriptions .................................................................................175
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
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND PMC-SIERRA, INC. CUSTOMERS ONLY
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