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>>> MaximIC >>> 78Q8430 데이터시트

78Q8430 데이터시트 - MaximIC

78Q8430 Datasheet PDF Maxim Integrated

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78Q8430

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MaximIC
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DESCRIPTION
The Teridian 78Q8430 is a 10/100 Fast Ethernet controller supporting multi-media offload. The device is optimized for host processor offloading and throughput enhancements for demanding multi-media applications found in Set Top Box, IP Video and Broadband Media Appliance applications. The 78Q8430 seamlessly interfaces to non-PCI processors through a simplified pseudo SRAM-like Host Bus Interface supporting 32/16/8 bit data bus widths. Supported features include IEEE802.3x flow control and full IEEE802.3 and 802.3u standards compliance.


FEATURES
• Single chip 10Base-T/100Base-TX IEEE-802.3 compliant MAC and PHY
    ◾ Adaptive 32 kB SRAM FIFO memory allocation between Tx and Rx paths
    ◾ Queue independent user settable water marks
    ◾ Per queue status indication
• Address Resolution Controller (ARC)
    ◾ Multiple perfect address filtering: 8 default (max 12)
    ◾ Wildcard address filtering, individual, multicast and broadcast address recognition and filtering
    ◾ Positive/negative filtering and promiscuous mode
• 64 kB JUMBO packet support
• QoS: 4 Transmit priority levels
• Non-PCI pseudo-SRAM Host Bus Interface
    ◾ 8-bit, 16-bit and 32-bit bus width
    ◾ Big/little endian support for 16-bit/32-bit bus widths
    ◾ Asynchronous (100 MHz) and synchronous (50 MHz) bus clock support
• Low power and flexible power supply management
    ◾ Power down/save
    ◾ Wake on LAN (Magic Packet™, OnNow packet)
    ◾ Link status change
• Traffic Offload Engine Functionality
    ◾ Transfer frame: APF & ICMP Echo
    ◾ IP Firewall configuration: drop frames on source IP address
    ◾ IP Checksum
• Available in an industrial temperature range (-40 °C to +85 °C)
• RoHS compliant (6/6) lead-free package


APPLICATIONS
• Satellite, cable and IPTV Set Top Boxes
• Multi Media Residential Gateways
• High Definition 1080p/1080i DTVs
• IP-PVR and video distribution systems
• Digital Video Recorders/Players
• Routers and IADs
• Video over IP system, IP-PBX
• IP Security Cameras / PVRs
• Low latency industrial automation


BenefitS
• Support for IEEE-802.3, IEEE-802.3u and IEEE-802.3-2000 Annex 31.B
• Low host CPU utilization/overhead with minimal software driver overhead and small driver memory space requirements
• Improved packet processing, low latency and low host CPU utilization
• Highest performance streaming Video over IP
• Optimized performance in mixed media application such as video, data and voice
• Ease of use, faster development cycles, high throughput
• Optimized power conservation with automatic turn on when needed
• Reduced host CPU utilization and overhead
• Improved packet processing
• Optimized performance in mixed media applications

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