em8471 ETC-unknow, em8471 Datasheet - Page 6

• Manufacturer Part Number: em8471
• Description: Mpeg Decoder Set-top Streaming Applications
• Manufacturer: ETC-unknow

Local Bus Controller Interface
The Local Bus Controller (LBC) interface, supported on the
EM8475 and EM8476, is a versatile block, designed to inter-
face the DRAM controller and PCI interface to an external
device, such as a non-PCI MPEG encoder chip. The LBC is
designed to handle DMA transfers (FIFO read/write from the
DRAM) and single register read/write from the external
device to or from the PCI interface. The same DMA transfers
and register read/write operations can be done from the
external device to or from the DRAM controller within the
EM8475 and EM8476.
The LBC interface is compatible with the 16-bit multiplexed
address / data format (Intel format), 16-bit data and 8-bit
address format (generic format) and 16-bit compressed data
format. It also directly supports the Stream Machine SM2210
/ 2288 MPEG codecs.
PCI Host Interface
The PCI interface is the main conduit between the EM847x
and the host processor. It is designed for both master reads
and writes with programmable burst length and is PCI v2.1
compliant. The PCI interface supports 3.3V and 5V operation
and ACPI power management from the PCI v2.2 specifica-
tion.
Additional Software Available
VOD Client Software (MPEG-2)
VOD client software for the x86 is available that supports
select MPEG-2 video servers, including:
For the latest list, please check with your local sales repre-
sentative.
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• Cisco's IPTV family
• Concurrent's MediaHawk
• InfoValue’s MediaQuick
• Kasenna’s MediaBase
• nCUBE's NVS
• Streaming21's Media Server
• Thirdspace’s OVS (Oracle Video Server)
355 Fairview Way • Milpitas, CA, USA 95035 • Tel: [phone] • Fax: [phone]
www.sigmadesigns.com • [e-mail]
Sigma Designs, Inc.
VOD Client Software (ISMA, RTSP)
VOD client software for the x86 is available that supports
RTSP-based ISMA streaming.
IP Multicasting Client Software
IP multicasting client software for the x86 is available.
MPEG-4 Client System Software
Third party x86 client software is available that supports the
EM847x, including Envivio and iVAST. For the latest list,
please check with your local sales representative.
Memory Requirements
The EM847x requires a minimum of 4 MB (1Mb x 32) of 100
MHz SDRAM.