PM3351-SW datasheet(6/268 Pages) PMC

6 / 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

PROGRAMMER'S MODEL................................................................................ 157

Local Memory ............................................................................................ 158

General-Purpose Registers .................................................................. 158

Special-Purpose Registers ................................................................... 158

Control Registers .................................................................................. 159

CPU Special Registers ......................................................................... 163

Device Control Registers ...................................................................... 164

RPCIM Functional Block (PCI access DMA channel) ................................ 173

DEBUG Functional Block ........................................................................... 182

DPI Functional Block (DMA transmit channel) ........................................... 187

TX_FIFO functional block: ................................................................................. 191

Major components of the TX_FIFO datapath ....................................... 191

TX_FIFO interrupts to Switch Processor .............................................. 192

Disposition of Frames:.......................................................................... 192

DPO funtional block (DMA transfer handshake channel)........................... 199

HASH functional block ............................................................................... 215

Interrupts to Swtich Processor ................................................................... 226

GPI (Switch Processor General Purpose Inputs)....................................... 230

GPO (Switch Processor General Purpose Outputs) .................................. 231

Coprocessor Test Conditions..................................................................... 235

OPERATION...................................................................................................... 237

Power Supply Sequencing ......................................................................... 237

MECHANICAL INFORMATION ......................................................................... 238

ORDERING AND THERMAL INFORMATION ................................................... 240

PM3351-SW Datasheet(PDF) 6 Page - PMC-Sierra, Inc