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BCM7115 Datasheet

  • BCM7115

  • SINGLE CHIP SET TOP BOX WITH PVR

  • 2頁

  • ETC

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BCM7115
PRODUCT
Brief
O F
B E N E F I T S
BCM7115 SINGLE-CHIP SET-TOP BOX WITH PVR
B C M 7 1 1 5
F E AT U R E S
S U M M A R Y
variable symbol rate
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1024/256/64-QAM J.83 Annex A/B/C receiver
supporting ITU-T
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QPSK out-of-band receiver and a QPSK to 256-QAM
upstream burst modulator
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DAVIC 1.2/1.5 MAC
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Dolby AC-3/MUSICAM audio decoding
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2D/3D graphics engine
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NTSC/PAL video decoder
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NTSC/PAL video encoder
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BTSC decoder
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External bus interface (EBI) serving as local bus
MIPS32
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High-performance, 200-MHz RISCcaches
processor with 8-KB I and 8-KB D
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USB host with dual port (OHCI)
devices include
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PeripheralV.90 Softmodem IEEE 1394 interface, POD
interface,
support, LED, UARTs and
TM
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Integrated front-end and back-end results in the most
cost-effective, single-chip, set-top box solution with
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personal video recording (PVR)
PVR engine supports time shifting on a program being
viewed and recording of another program
simultaneously (watch and record)
Support for DAVIC and DCII enable deployment in
major cable markets worldwide
Industry-leading compact form factor design is
enabled by high integration
High-performance RISC processor can support
today鈥檚 demanding set-top box operating systems and
applications
External QAM demodulator support for PVR watch
and record
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IDE controller
Personal video recording (PVR) support with IDE
controller, 3DES, and dedicated DMA engines
Single unified memory architecture
Software device drivers supporting multiple operating
systems and middlewares
BCM7040 MPEG-2 encoder interface
BCM7115 Single-Chip Set-top Box with PVR System Block Diagram

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