DM9000A中文资料Ethernet Controller With General Processor Interface数据手册Davicom规格书

描述 Description

The DM9000A is a 10/100M fast Ethernet local bus network controller. It is designed with low power and high performance process that support 3.3V with 5V IO tolerance.

特性 Features

·Supports early Transmit
·Supports IP/TCP/UDP checksum generation and checking
·Supports automatically load vendor ID and product ID from EEPROM
·Optional EEPROM configuration
·Very low power consumption mode:
·- Power reduced mode (cable detection)
·- Power down mode
·- Selectable TX drivers for 1:1 or 1.25:1 transformers for additional power reduction
·Compatible with 3.3V and 5.0V tolerant I/O
·48-pin LQFP
·Supports processor interface: byte/word of I/O command to internal memory data operation
·Integrated 10/100M transceiver with HP Auto-MDIX
·Supports back pressure mode for half-duplex mode flow control
·IEEE802.3x flow control for full-duplex mode
·Supports wakeup frame, link status change and magic packet events for remote wake up
·Support 100M Fiber interface
·Integrated 16K Byte SRAM
·Build in 3.3V to 2.5V regulator