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DM9102D

Single Chip Fast Ethernet NIC Controller

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DM9102D

Single Chip Fast Ethernet NIC Controller

1. General Description

The DM9102D is a fully integrated and cost effective single

chip Fast Ethernet NIC controller. It is designed with low

power and high performance process. It is a 2.5/3.3V device

with 5V tolerance.

The DM9102D provides direct interface to the PCI bus and

supports bus master mode to achieve the high performance

of the PCI bus. It fully complies with PCI 2.2. In the media

side, the DM9102D interfaces to the UTP3, 4, 5 in 10Base-T

and the UTP5 in 100Base-TX. It is fully compliant with the

IEEE 802.3u Spec. The auto-negotiation and

2. Block Diagram

HP Auto-MDIX function can automatically configure the

DM9102D to take the maximum advantage of its abilities.

The DM9102D also supports IEEE 802.3x’s full-duplex flow

control to prevent the receive overflow of link partner. The

IPv4 IP/TCP/UDP checksum generation and checking can

reduce the system CPU utilization.

The DM9102D supports two types of power management

mechanisms. The main mechanism is based on the OnNow

architecture, which is required for PC99. The alternative

mechanism is based upon the remote Wake-On-LAN

mechanism.

Final

1

Version: DM9102D-DS-F01

May 10, 2006

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