CX25834 Ver la hoja de datos (PDF) - Conexant Systems
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CX25834 Datasheet PDF : 4 Pages
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digital infotainment products
PCl Video Decoder
Fusion 878A
General Features
Because Fusion 878A is fully compatible with the
current Bt878/879, upgrading to requirements like
PC 98/99 compliance is a minimal investment. Also,
customers can standardize with one PCI video
decoder to enable multiple configurations of TV
cards that address the broad spectrum of broadcast
requirements around the world. Because Fusion 878A
is based on the Bt878/879, customers can continue
to support their products using one software code
base, adding functionality by including additional
software modules.
Features
All Bt848A Features
Mono Audio
DVCR
PC 99 Compliance
ATSC Digital TV
DVB
Bt878
X
X
X
Fusion 878A
X
X
X
X
X
X
Transport Stream DMA
for Digital Television
The analog and digital audio paths have been modified
for increased bandwidth and functionality. The
asynchronous parallel port, which uses the analog
data path, has an increased raw data rate of 20 MBps.
Additionally, the I2S port has been modified to handle
data up to 40 Mbps. This added functionality makes
Fusion the ideal choice for ATSC, DVB, DBS, and digital
cable platforms on the PC.
Driver software is available to move transport packet
streams from a wide variety of digital demodulators
to host memory using the Fusion 878A DMA engine.
Therefore, building next-generation digital broadcast
solutions on the proven Bt878 platform is easy and
low risk since the software is incremental to existing
Fusion software.
PC 99 Compliance
ACPI and Power Management Interface
Fusion 878A supports ACPI and the Power
Management Interface 1.0 specifications, making
the Fusion 878A the product of choice for green PC
and notebook applications.
Vital Product Data
Vital Product Data (VPD) is required by PCI specification
version 2.2. Through the Fusion 878A and the use
of an external EEPROM, manufacturers can store
information that identifies the product down to the
serial number. The data is stored in ASCII format
and is accessible through the configuration space
VPD interface registers. This feature provides board
manufacturers and PC OEMs the ability to more
accurately track their product as well as offer
improved or enhanced customer support.
Worldwide Video Support
The Fusion family supports all the features and
flexibility of the Bt848A video solution, including
the integration of a NTSC/PAL/SECAM composite
and S-video decoder, high-quality scaler, and PCI bus
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