Datasheet > DM9621

DM9621

更新时间： 2022-10-27 10:09:19

品牌	Logo	应用领域
联杰 - DAVICOM		控制器以太网局域网（LAN）标准
页数	文件大小	规格书
66页	470K
描述
USB2.0 to 10/100M Fast Ethernet Controller

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数据手册

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DM9621 数据手册

DM9621

USB2.0 to Fast Ethernet Controller

1. Features:

USB Interface

USB2.0 Device

Supports 12Mbps Full-Speed operation

Supports 480Mbps High-Speed operation

Supports suspend mode and remote wake-up Resume

Supports USB standard commands

Supports vendor specific commands

Efficient TX/RX FIFO auto management.

Supports 4 endpoints (Control, Interrupt, Bulk_IN, Bulk_OUT)

Supported Classes： USB Common Class / USB Communications Class –

Ethernet

Support IEEE802.3u 100BASE-TX and with IEEE802.3 10BASE-T standards

Support IEEE802.3x flow control function for 100BASE-TX and 10BASET.

Built-in 10/100Mbps Fast-Ethernet PHY with Auto-MDIX

Supports RMII interface or 8 pins GPIO

Support Auto-negotiation function

Back Pressure Mode for half-duplex mode flow Control

PAUSE frame for full-duplex flow control

Supports GPIO, wakeup frame, link status change and Magic packet events for

remote wake-up

Support TCP / UDP / IP checksum offload checking and generating

EEPROM Interface

Supports 128/256/512 bytes (93C46/93C56/93C66) of serial EEPROM(for

storing USB Descriptors)

93C46/93C56/93C66 auto-detection

LED Indications

Ethernet – Link / Act indication

Ethernet – Speed (10M / 100M) indication

USB speed indication (full / high speed + traffic modes)

Clock

Single 25MHz / 30 ppm crystal or oscillator

Optional 12MHz crystal for USB

Preliminary

Version: DM9621 -14-DS-P02

February 23, 2011

1...3 4 567 8 9...66

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