Head Office:

PMC-Sierra, Inc.

8555 Baxter Place

Burnaby, B.C. V5A 4V7

Canada

Tel: 604.415.6000

Fax: 604.415.6200

PM7381 FREEDM-32A672

Frame Engine and Data Link Manager

To order documentation,

send email to:

document@pmc-sierra.com

or contact the head office,

Attn: Document Coordinator

All product documentation is available

on our web site at:

http://www.pmc-sierra.com

For corporate information,

send email to:

info@pmc-sierra.com

PMC-1980428 (r2)

© 2001PMC-Sierra, Inc. Aug.2001.

FREEDM-32A672, Any-PHY,

FREEDM-8, FREEDM-32, OCTLIU,

TE-32, TEMUX, SBI and PMC-Sierra

are trademarks of PMC-Sierra, Inc.

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

transmitter also aborts packets

under the direction of the host or

automatically when the channel

underflows.

• Provides 32 kbytes of on-chip

memory for partial packet buffering

in both the transmit and receive

directions. You can configure this

memory to support a variety of

different channel configurations:

from a single channel with 32

kbytes of buffering to 672

channels, each with a minimum of

48 bytes of buffering.

• Provides a standard five signal

P1149.1 JTAG test-port for

boundary scan board-test

purposes.

• Supports 5 Volt tolerant I/Os for

non-APPI signals. Supports a 3.3

Volt APPI signaling environment.

• 329-pin plastic ball grid-array

(PBGA) package.

APPLICATIONS

Use the FREEDM-32A672 chip in

the following applications:

• Remote Access Concentrators.

• Frame Relay/Multiservice

Switches.

• Multiservice Access

Concentrators.

• Internet/Edge Routers.

• Packet Based DSLAM Equipment.

TYPICAL APPLICATIONS

EIGHT LINK T1/E1 PORT ADAPTER FOR PPP PROCESSING

PM4318

OCTLIU

PM4318

OCTLIU

PM4318

OCTLIU

PM4318

OCTLIU

SBI

Any-PHY

(Packet)

32xT1/E1/J1

8

8

8

8

PM4332

TE-32

PM7380

FREEDM-

32A672

Packet

Mamory

Processor

APPI

Interface

Frame Relay

to ATM

Interworking

DS3

Any-PHY

(Packet)

UTOPIA/

Any-PHY

(Cell)

AAL-5 SAR

Packet

Memory

DS3

PM8316

TEMUX-84

PM7381

FREEDM-

32A672

PM8316

TEMUX-84

PM7381

FREEDM-

32A672

N*DS3 FRAME RELAY TO ATM INTERWORKING