BCM3352
PRODUCT
Brief
O F
B E N E F I T S
QAMLINK™ SINGLE-CHIP 4-CHANNEL V
O
IP BROADBAND GATEWAY IC
B C M 3 3 5 2
F E AT U R E S
S U M M A R Y
is the world’s
integrated,
•
The BCM3352 lowest-power, most highlysolution for
lowest-cost and
single-chip
cable residential gateway’s providing four-channels of
VoIP/FoIP and 32 Mbps home
phone line networking.
•
The BCM3352 Integrates:
•
Designed for primary line and second line cable
telephony products
•
Expandable to 16+ line MDU applications
•
Integrated patented 16-channel
DOCSIS/EuroDOCSIS 1.1 PacketSync™ engine
•
•
•
•
•
•
•
obviates VoIP packet delay
Propane software support for enhanced upstream
efficiency and performance
Integrated HomePNA 2.0 MAC supports high speed
multimedia services over phone lines
Available with Certifiable DOCSIS/EuroDOCSIS
1.0/1.1 and CablexChange VoIP Software
Full IPv6 IPSec module to support advanced
applications such as Virtual Private Networking
(VPN) and Secure Voice Services
Included in the comprehensive BCM93352V and
BCM93352VCM reference designs
Integrated CablexChange VoIP/FoIP software
Full 12 Mbps, USB 1.1 compliant interface to enable
simple Plug and Play external PC gateway
implementations
• Enhanced VoIP DOCSIS/EuroDOCSIS 1.1/1.0 MAC with 16
upstream queues
• Payload header suppression(PHS) engine
• 120 Dhrystone 2.1 MIPS32 CPU
• Four-channel VoIP DSP
• Four-channel G.712/V.90 FlexiVoice™ CODEC
• IpV6 IPSec processor
• 4-256 QAM receiver with Annex A,B,C FEC
• 4/16 QAM burst modulator
• 32-bit 100 MHz SDRAM controller
• 16-bit expansion bus interface
• iLine32 32 Mbps HPNA 2.0 phone line networking MAC
• 10/100 Ethernet MAC with MII
• 12 Mbps USB 1.1 interface
• Extensive chip power management
• 1.8/3.3V -40 to 85c operation
• 484-pin BGA package
BCM3352 Application Block Diagram
SDRAM
SDRAM
Controller
120 MIPS
MIPS32
CPU
Tuner
256 QAM
Receiver
4/16 QAM
Modulator
USB 1.1
10/100
MAC
USB 1.1
BCM5221
10/100 PHY
10/100
Ethernet
Enhanced
DOCSIS/
EuroDOCSIS 1.1 MAC
Flash
EBI
Packet
Sync™
200+ MIPS
DSP
iLine32
MAC
BCM4100
HPNA AFE
SLIC
SLIC
SLIC
SLIC
RJ-11
RJ-11
RJ-11
RJ-11
DSP
Flexi-Voice™
Codec
BOARDCOM [ Broadcom Corporation. ]
