BCM3350 Broadcom, BCM3350 Datasheet - Page 2

• Manufacturer Part Number: BCM3350
• Description: QAMLINK HIGH PERFORMANCE SINGLE CHIP CABLE MODEM
• Manufacturer: Broadcom

The Broadcom BCM3350 represents a new level of cost-
reduction for DOCSIS/EuroDOCSIS cable modems. Key
modules integrated in the BCM3350 include:
Broadcom
subsidiaries in the United States and certain other countries. All other trademarks are the property of their
respective owners.
BROADCOM CORPORATION
16215 Alton Parkway, P.O. Box 57013
Irvine, California 92619-7013
© 2003 by BROADCOM CORPORATION. All rights reserved.
3350-PB04-R 06.13.03
• 64/256 QAM receiver which supports direct IF sampling
• DOCSIS/EuroDOCSIS 1.0/1.1 based MAC supports an
• 100 MIPS R3000 processor with 4K two-way set
• Full-speed USB 1.1 interface supports concurrent
Amp/Tuner Control
with an integrated 10-bit A/D converter and a ITU-J.83
Annex A/B/C compatible decoder. QPSK/16QAM
transmitter consisting of programmable
DOCSIS/EuroDOCSIS and DAVIC FEC encoder, with pre-
equalization filter and a 10-bit D/A converter with output
power control.
integrated DES encryption/decryption engine, and QoS,
support for 16 SIDS in the downstream, 16 destination
address filters, 256 multicast DA filters and 16 independent
upstream queues for QoS, as well as extended network
management MIB/diagnostic features
associative I-cache and a 4K two-way associative D-cache.
operations of control, bulk, isochronous and interrupt
endpoints. It also supports USB standard commands, as
well as class/vendor specific commands.
Serial Ports
GPIO Port
JTAG Port
®
, the pulse logo, and Connecting everything
and Tracking Loops
10-bit
10-bit
DAC
ADC
Acquisition
QPSK/16QAM
Demodulator
Timers
Modulator
Clock Gen & PLLs
QAM
Register Interface
®
Peripheral Bus
PIC
MCNS/DAVIC FEC
Annex A/B/C FEC
B C M 3 3 5 0
ITU-T J.83
FEC Memory
®
Starvue
are trademarks of Broadcom Corporation and/or its
D-CACHE
I-CACHE
SPI
BPI Interface
Downstream
Peripheral Bus Bridge
Upstream
with EJTAG Interface
IP Security Module
MAC
MAC
MIPS R3000 CPU
O V E R V I E W
The BCM3350 represents the first silicon solution that
integrates all the key silicon components of a cable modem
into a single device, reducing the overall cost and complexity
of cable modem products.
Ordering Information:
BCM3350KPP
BCM3350IPB
• 10/100 Ethernet Transceiver and Media Access Controller
• IPSec module with single-DES (CBC & ECB modes),
• TDM four-wire serial interface with variable timeslots
Reg Interface
Two-channel
16-channel
(MAC) with MII. The transceiver/MAC performs all of
the functions for 100BASE-TX Ethernet in full- or half-
duplex mode over Category (CAT) 5 twisted pair cable and
10BASE-T Ethernet in full- or half-duplex mode over CAT
3, 4, or 5 twisted pair cable.
triple-DES (CBC & ECB modes), MD-5 and SHA
authentication in hardware providing support for
application in Virtual Private Networks (VPN).
from 2–32 that can be assigned to one of four transparent
input/output channel controllers enabling support for up
to four voice channels or one video (384 Kbs) and one
voice channel.
DS DMA
US DMA
10/100BASE-TX
Commercial Temperature Grade
Industrial Temperature Grade
Ethernet MAC
USB Device Controller
DMA Controller & Central Arbiter
Direct TDM CODEC Interface
16-bit External Bus Interface
32-bit SDRAM Controller
Email: [e-mail]
Web: www.broadcom.com
Phone: [phone]
10/100BASE-TX
FAX: [phone]
Transceiver
USB XVER