DM9010BEP datasheet(7/62 Pages) DAVICOM

部品番号	DM9010BEP

部品情報	10/100 Mbps Single Chip Ethernet Controller With General Processor Interface

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メーカー	DAVICOM [Davicom Semiconductor, Inc.]

ホームページ	http://www.davicom.com.tw

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DM9010B

Single Chip Ethernet Controller with General Processor Interface

Preliminary

7

Version: DM9010B--DS-P01

September 5, 2007

1. GENERAL DESCRIPTION

The DM9010B is a fully integrated and cost-effective

single chip Fast Ethernet MAC controller with a

general processor interface, a 10/100M PHY and 16K

Byte SRAM. It is designed with low power and high

performance process that support 3.3V with 5V

tolerance.

The DM9010B also provides a MII interface to connect

HPNA device or other transceivers that support MII

interface.

The DM9010B supports 8-bit, 16-bit and 32-bit uP

interfaces to internal memory accesses for different

processors. The PHY of the DM9010B can interface to the

UTP3, 4, 5 in 10Base-T and UTP5 in 100Base-TX. It is fully

compliant with the IEEE 802.3u Spec. Its auto-negotiation

function will automatically configure the DM9010B to take

the maximum advantage of its abilities. The DM9010B also

supports IEEE 802.3x full- duplex flow control. This

programming of the DM9010B is very simple, so user can

port the software drivers to any system easily.

2. BLOCK DIAGRAM

LED

TX+/-

RX+/-

Autonegotiation

RX Machine

TX Machine

MAC

MII

-

/

PHYceiver

-

EEPROM

Interface

100BaseTX

transceiver

External MII

Interface

Memory

Management

Internal

SRAM

&

Control

Status

Registers

100 Base- TX

PCS

10 Base T

Tx Rx

Auto

MDIX

&

MII Management

Control

MII Register

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