BCM3341(2002) 데이터 시트보기 (PDF) - Broadcom Corporation
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BCM3341 Datasheet PDF : 2 Pages
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BCM3341
PRODUBCrTief
®
SINGLE-CHIP 2-LINE
BCM3341 FEATURES
• The BCM3341 broadband VoIP DSP solution provides
a seamless interface with Broadcom's PacketCableTM
cable and DSL modem ICs, providing the industry
with the lowest cost, modular VoIP system solution.
• The BCM3341 integrates:
• High-performance 240-MIPS DSP and dual world
linecard programmable codec
• Internal memory supports G.711+ 1 complex vocoder (2
lines of either/or simultaneously)
• Supports all ITU G.7xx narrow-band vocoders, plus T.38
fax relay
• Complex vocoder, fax and modem relay memory
Expansion bus (128K×16) memory expansion (32K×16,
or 64K×16)
• World linecard support
• G.168 (2000) compliant echo canceler
• Extensive chip power management
• Integrated HVG circuit switch mode controller
Eliminates dual switching power controller for Low
Bat(–24V) and Hi Bat(–48V) power supplies
• Supports both narrow-band BroadVoice™16 and
wideband BroadVoice™32
• Integrated battery sensing
• Single 3.3V power supply
• 0 to 70ºC operation
VoIP BROADBAND IC
SUMMARY OF BENEFITS
• Highest level of integration:
• Significantly reduces VoIP cable modem BOM
• Significantly reduces part count, increasing reliability
• Significantly reduces power consumption
• Enhanced reliability of voice services through
powerful DSP engine and voice algorithms deployed in
millions of ports worldwide.
• Enhances voice quality through advanced system
features
• Patented PacketSyncTM minimizes VoIP packet delays
• Power management engine reduces overall consumption
• DSL NTR clock recovery
• Seamless interface to additional Broadcom silicon
• BCM3348 low-cost VoIP cable modem
• BCM3360 VoIP residential gateway and MDU apps
• BCM3370 wireless VoIP residential gateway
• BCM6345 low-cost VoIP DSL modem
• BCM6350 xDSL communications processor
• BCM1101, SMTA and IP phone solution
• Part of a comprehensive system solution including:
• Low-cost reference design with extensive documentation
• Certifiable PacketCable 1.0 CablexChangeTM software
• Proven DSLXchangeTM software
BCM3341 PacketCableTM
Silicon
Tuner
Flash
SDRAM
Single-Chip
BCM3348
BCM3360
BCM3370
Interface
USB 1.1
10/100 Ethernet
HI Bat
Low Bat
CLK
BCM3341
Dual Line
VoIP
PS
Dual
SLICS
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