JMC250 Datasheet PDF - JMicron

Part Number JMC250
Description PCI Express Gigabit Ethernet Controller
Manufacturers JMicron 
Logo JMicron Logo 

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PCI Express Gigabit Ethernet Controller
The JMC250 is a single-chip PCI-Express Gigabit Ethernet Controller. The Ethernet function is
compliant to IEEE 802.3 Media Access Controller, and IEEE 802.3u 1000BASE-T/100BASE-TX/
10BASE-T. The MAC supports IPV4, IPV6, TCP, UDP checksum, segmentation task-offload, priority
encoding and IEEE802.1Q VLAN features. It also supports Receive Side Scaling (RSS) to balance the
loading for multiple CPUs. The Ethernet function supports remote wakeup (including AMD Magic Packet™
and Microsoft® Wake-up frame) in both ACPI and APM (Advanced Power Management).
Compliant with PCI Express Base Spec. Revision 1.1
Integrated one-lane 2.5GHz PCI Express PHY
Support multi-entry MSI and multi-vector MSI-X.
Compliant with IEEE 802.3, IEEE 802.3u, and IEEE 802.3ab
Integrated 10/100/1000Mbps transceiver
Support Auto Negotiation
Support Wake-on-LAN
Support Microsoft® NDIS 5, NDIS6 Checksum Offload (IPv4, IPv6, IP, TCP, UDP)
Support Microsoft® NDIS 5, NDIS6 Transmit Segmentation Task-offload (Large/Giant send)
Support Receive Side Scaling (RSS)
Support IEEE 802.1P Layer 2 Priority Encoding
Support IEEE 802.1Q VLAN insertion and removal
Support jumbo frame
Integrated switching regulator, and single 3.3V power source
External 25MHz crystal
64-pin LQFP package
Pin-to-pin compatible to JMC260.
Copyright © 2009 JMicron Technology Corp. All rights reserved.
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