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BCM7318 Datasheet(PDF) 2 Page - Broadcom Corporation.

Part No. BCM7318
Description  IP SET-TOP BOX SINGLE-CHIP DECODER
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Maker  BOARDCOM [Broadcom Corporation.]
Homepage  http://www.broadcom.com
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BCM7318 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
© 2004 by BROADCOM CORPORATION. All rights reserved.
7318-PB00-R
11/01/04
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 BCM7318 is a fully integrated MPEG2 single-chip solution targeted
specifically at the emerging IP-STB market.
The BCM7318 integrates existing volume production technologies from
within Broadcom’s cable, satellite and networking groups. By
combining these technologies together, the BCM7318 offers a low-cost
solution to satisfy the IP-STB marketplace.
The BCM7318 design is based on unified memory architecture, (UMA),
utilizing a 133 MHz, 16- or 32-bit wide Double Data Rate (DDR)
memory interface for added system performance.
It is capable of decoding transport streams delivered via the fully
integrated 10/100 Mbit Ethernet controller, or via the IDE ATA host I/F
from an external hard disk drive, or from an external TS input source
such as a DVB-C/S or T NIM.
The BCM7318 offers very high levels of integration for reduced system
BOM, including USB 2.0 Host + Physical I/F, 100BaseT Ethernet,
Stereo Audio DACs, Video Line Drivers, VCXOs and an internal 1.3V
voltage regulator. For further cost saving, the BCM7318 integrates
Silicon Labs’ Si305x SSD device for SW Modem applications.
The BCM7318 includes Broadcom’s advanced 2D graphics engine with
integrated Paxel, offering true studio-quality text and graphics with
extremely efficient use of memory and bandwidth. The Paxel can be used
for hardware acceleration of graphic functions, thereby offering the
ultimate user experience for GUI applications.
The BCM7318 includes a complete industry standard MIPS32
microprocessor subsystem, including 32 Kbytes instruction and data
caches. The CPU operates at 266 MHz, offering over 340-DMIPS rating.
The architecture also includes the MIPS16e Application-Specific
Extension for code compaction.
A full range of peripheral features are supported including UARTs, dual
ISO 7816 smart cards I/F, GPIO, counters/ timers, IR Tx/Rx, I2C and
SPI controllers.
ETHERNET
CONTROLLER
MAC + PHY
CONDITIONAL
ACCESS
MODULE
ENCRYPT/
DECRYPT MODULE
AES128, DES/ 3DES
CSS, CPRM, DTCP,
VGS
SECURITY
MODULE
WITH OTP
DVB/DIRECTV
TRANSPORT
DVB/DES
DESCRAMBLER
ARBITER / DMA
MEMORY CONTROLLER
USB 2.0 HOST CONTROLLER
2 x PORTS WITH PHY
MPEG 2 VIDEO
DECODER
VIDEO
ENCODER
6 DACs
BROADCOM
2D GRAPHICS
PAXEL
AUDIO ENGINE
AUDIO
DECODER
MUSICAM /
DOLBY AC3
SiLABS
System Side
DAA Module
PVR ENGINE
PLAY/RECORD
MIPS32 / 16e
266 MHz
32KI / 32 KD
ON-CHIP
BOOT ROM
16 KB
PERIPHERALS BLOCK
IR Rx (2x) / Tx
GPIOs
Counters
PWM
SPI
I2C Master
CCIR 656 I/P
I2S I/P
TS INPUT
EJTAG
AUDIO
STEREO
DACs
DUAL ISO 7816
FLASH / IO IF
DDR 16-BIT/32-BIT I/F
COMPOSITE
S-VIDEO
RGB
R/L SPDIF
IDE I/F


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