PM7326 datasheet(21/238 Pages) PMC

21 / 238 page

PM7326 S/UNI APEX

DATA SHEET

PMC-1981224

ISSUE 6

ATM/PACKET TRAFFIC MANAGER AND SWITCH

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

• Microprocessor port to any loop or WAN port.

• Any loop or WAN port to microprocessor port

• VP Termination (in conjunction with ATLAS)

• VPI or VPI/VCI header mapping

• VC merge

• Provides flexible signaling and control capabilities

• Provides 4 independent uP transmit queues

• Provides simultaneous AAL5 SAR assistance for traffic to/from the uP on

up to 64k VCs.

• Supports uP cell injection into any queue.

• Provides per VC selectable OAM cell pass through or switching to

microprocessor port.

• Supports CRC10 calculation for OAM cells destined for/originating from

the microprocessor.

• Diagnostic access provided to context memory and cell buffer memory via

the microprocessor.

• Provides per VC CLP0/1 transmit counts.

• Provide global per CLP0/1 discard counts

• Provides various error statistics accumulation.

• Determines the ingress connection identifier from one of several locations:

the cell prepend, the VPI/VCI field, or the HEC/UDF field.

• Interface support

• Provides a 8/16-bit Any-PHY compliant master/slave Loop side interface

supporting up to 2048 ports (logical PHYs).

• Provides an 8/16-bit Any-PHY compliant master/slave WAN side interface

supporting up to 4 ports (PHYs).

PM7326 Datasheet(PDF) 21 Page - PMC-Sierra, Inc