mc68en302 Freescale Semiconductor, Inc, mc68en302 Datasheet - Page 3

• Manufacturer Part Number: mc68en302
• Description: Integrated Multiprotocol Processor With Ethernet
• Manufacturer: Freescale Semiconductor, Inc

MOTOROLA
• Full Collision Support
• Receives Back-to-Back Frames
• Detection of Receive Frames That Are Too Long
• Multi-Buffer Data Structure
• Supports 48-Bit Addressing
• Heartbeat Indication
• Transmitter Network Management and Diagnostics
• Receiver Network Management and Diagnostics
• Loopback Mode for Testing
• Non-Aggressive Deferral Option
• Heartbeat Status and Interrupt Option
• Graceful Stop Command
REGISTERS
CONTROL
STATUS
INTERFACE
PROTOCOL
ETHERNET
SYSTEM
Freescale Semiconductor, Inc.
Figure 2. Ethernet Controller Block Diagram
For More Information On This Product,
MC68EN302 PRODUCT INFORMATION
DESCRIPTOR
DUAL-PORT
DESCRIPTOR
CONTROL
BUFFER
RAM
Go to: www.freescale.com
MODULE BUS
TRANSMIT
STATUS
EEST INTERFACE
PROTOCOL
ETHERNET
CORE
TRANSMIT
FIFO
CHANNELS
2 DMA
RECEIVE
FIFO
RECOGNITION
DUAL-PORT
ADDRESS
RAM
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