JMC261 Datasheet PDF – Card Reader Driver – JMicron

Part Number: JMC261

Function: PCI Express to Fast Ethernet & Card Reader Host Controller

Package: 64-pin LQFP

Manufacturer: JMicron Technology

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JMC261 datasheet



The JMC261 is a single-chip PCI-Express Fast Ethernet combo Card Reader Host controller. The  Fast Ethernet  function  is compliant  to  IEEE  802.3  Media  Access  Controller,  and  IEEE 802.3u 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 received data processing across multiple CPUs.


1. Compliant with PCI Express Base Spec. Revision 1.1

2. Integrated one-lane 2.5GHz PCI Express PHY

3. Support multi-entry MSI and multi-vector MSI-X.

4. Compliant with IEEE 802.3, IEEE 802.3u, and IEEE 802.3ab

5. Integrated 10/100Mbps transceiver

6. Support Auto Negotiation

7. Support Wake-on-LAN

Other data sheets are available within the file: JMC251

JMC261 Datasheet PDF Download

JMC261 pdf

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