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BCM7328 Datasheet(PDF) 2 Page - Broadcom Corporation.

Part No. BCM7328
Description  SINGLE-CHIP SATELLITE SET-TOP BOX DECODER
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Maker  BOARDCOM [Broadcom Corporation.]
Homepage  http://www.broadcom.com
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BCM7328 Datasheet(HTML) 2 Page - Broadcom Corporation.

   
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O V ERVI EW
®
Phone: 949-450-8700
Fax: 949-450-8710
E-mail: info@broadcom.com
Web: www.broadcom.com
BROADCOM CORPORATION
16215 Alton Parkway, P.O. Box 57013
Irvine, California 92619-7013
© 2003 by BROADCOM CORPORATION. All rights reserved.
7328-PB00-R
12/29/03
Broadcom®, the pulse logo, and Connecting everything® are trademarks of Broadcom Corporation and/
or its subsidiaries in the United States and certain other countries. All other trademarks mentioned are the
property of their respective owners.
The BCM7328 is the second-generation of Broadcom’s Dual Decode/
Dual TV set-top box system on a chip. The BCM7328 integrates
Br oadcom’ s f ield-proven B CM4500 8P SK/T C Demodul ator
technology, as well as technology derived from Broadcom’s cable
products (such as the BCM7115 cable single-chip).
The BCM7328 memory subsystem is a unified memory architecture,
(UMA), utilizing a 150-MHz Double Data Rate (DDR) memory
interface that supports either 16-bit or 32-bit wide, depending on
required system performance.
The BCM7328 single chip can decode two transport streams, delivered
either via the external dual BCM3440 CMOS Tuners and display the
resulting decoded audio and video on two independent TV monitors,
connected to the set-top box. A channel 3-4 RF modulator is also
included on-chip. The video encoder supports NTSC, PAL & SECAM
with optional Macrovision 7.1.
The BCM7328 includes dual implementations of Broadcom’s advanced
2D graphics engine, offering true studio quality text and graphics with
extremely efficient use of memory and bandwidth
The BCM7328 also incorporates a complet e MIPS64-based
microprocessor subsystem, including 16-KB Instruction cache, 16-KB
Data cache and 2-KB Read Ahead cache. The CPU runs at 250 offering
over 250-DMIPS rating.
Analog
Video1
Composite
Video
Encoder
and DACs
PCM
Audio
Engine
&
DACS
Dual Advanced 2D
Graphics & Video
Display Engine
Memory
Controller
DMA
Dual
Dolby &
MPEG
Audio
Decoder
MPEG2/DSS
Transport
Processor with
DVB & DES
Descramblers
ISO7816 I/F
SPDIF
Dual SD
MPEG -2 Video
Decoder
MIPS64 Micro
16K I & 16K D
IR Tx/Rx
Keypad
Serial Ports
I/O
Receiver
8PSK/TC
Receiver
I2C/PCM
Analog
Video2
Bus
Bridge
Modem
Interface
EJTAG
RF 3/4
On-Chip
Boot
ROM
Analog
Video1
Composite
Video
Encoder
and DACs
PCM
Audio
Engine
&
DACS
Dual Advanced 2D
Graphics & Video
Display Engine
Memory
Controller
DMA
Dual
Dolby &
MPEG
Audio
Decoder
MPEG2/DSS
Transport
Processor with
DVB & DES
Descramblers
16-bit DDR
ISO7816 I/F
SPDIF
Dual SD
MPEG -2 Video
Decoder
MIPS64 Micro
16K I & 16K D
IR Tx/Rx
Keypad
Serial Ports
I/O
8PSK/TC
Receiver
Receiver
I2C/PCM
Analog
Video2
Bus
Bridge
ROM/Flash
Modem
Interface
EJTAG
RF 3/4
On-Chip
Boot
ROM
8 KB
250-300 MHZ


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