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DM9000A
Ethernet Controller with General Processor Interface
Preliminary datasheet
7
Version: DM9000A-DS-P03
Apr. 21, 2005
3. Features
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48-pin LQFP
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Supports processor interface: byte/word of I/O
command to internal memory data operation
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Integrated 10/100M transceiver with AUTO-MDIX
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Supports back pressure mode for half-duplex
mode flow control
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IEEE802.3x flow control for full-duplex mode
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Supports wakeup frame, link status change and
magic packet events for remote wake up
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Integrated 16K Byte SRAM
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Build in 3.3V to 2.5V regulator
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Supports early Transmit
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Supports IP/TCP/UDP checksum generation and
checking
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Supports automatically load vendor ID and
product ID from EEPROM
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Optional EEPROM configuration
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Very low power consumption mode:
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Power reduced mode (cable detection)
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Power down mode
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Selectable TX drivers for 1:1 or 1.25:1
transformers for additional power reduction.
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Compatible with 3.3V and 5.0V tolerant I/O