PM8620 datasheet(5/190 Pages) PMC

5 / 190 page

NSE-20G™ Standard Product Data Sheet

Preliminary

Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use

Document ID: PMC-2000170, Issue 3

9.9.1

In-Band Signaling Channel Fixed Overhead........................................55

9.10 Microprocessor Interface ..................................................................................56

10 Normal Mode Register Description............................................................................60

Test Features Description........................................................................................131

11.1 Master Test and Test Configuration Registers ................................................131

11.2 JTAG Test Port ................................................................................................134

11.2.1 Boundary Scan Cells..........................................................................138

12 Operation .................................................................................................................140

12.1 Software Default Settings ...............................................................................140

12.1.1 Setting the T8TE Time-slot Configuration #1 Register.......................140

12.1.2 Setting the T8TE Time-slot Configuration #2 Register.......................140

12.1.3 Configuring the NSE-20G to Use Fewer Links ..................................140

12.1.4 PCB Design Notes .............................................................................142

12.2 “C1” Synchronization.......................................................................................142

12.3 Synchronized Control Setting Changes ..........................................................143

12.3.1 SBS/NSE-20G Systems with DS0 and CAS switching ......................143

12.3.2 SBS/NSE-20G Systems switching DS0s without CAS ......................145

12.3.3 SBS/NSE-20G Non-DS0 Level Switching with SBI336 Devices .......147

12.4 NSE-20G CPU Interaction with the Switching Cycle When Using the ILC.....148

12.5 Controlling frame alignment in the receive port. .............................................149

12.6 DS0 Cross-Bar Switch (DCB) Operation ........................................................150

12.6.1 Configuring the DCB using Port Transfer Mode.................................150

12.6.2 Configuring the DCB using Word Transfer Mode...............................151

12.6.3 Reading Configurations......................................................................152

12.6.4 DCB Online to Offline Memory Page Copy........................................152

12.7 TelecomBus Mode Operation..........................................................................153

12.8 SBI column Mode Operation...........................................................................153

12.9 SBI DS0 Mode Operation ...............................................................................154

12.10 SBI DS0 with CAS Mode Operation................................................................154

12.11 ILC Operation..................................................................................................155

12.12 ILC CPU Operations .......................................................................................156

12.12.1 Accessing the Transmit Message FIFO .............................................156

12.12.2 Accessing the Receive Message FIFO ..............................................156

12.12.3 Handling the Transmit Header ...........................................................160

12.12.4 Handling the Receive Header ............................................................160

PM8620 Datasheet(PDF) 5 Page - PMC-Sierra, Inc