s3c4510b Samsung Semiconductor, Inc., s3c4510b Datasheet - Page 279

• Manufacturer Part Number: s3c4510b
• Description: 16/32-bit Risc Microcontroller
• Manufacturer: Samsung Semiconductor, Inc.

S3C4510B
Check ethertype or length field
store byte-stream in in FISO
Move the byte stream in
the FIFO to the receive
Signal to Upper Layer
Recognize Address?
Carrier Sense== On
after detection SFD,
Disassemble Frame
Carrier sense = On,
Handing the Frame
Frame too short ?
Interrput CPU for
Frame too long?
buffer memory
yse
Valid FCS ?
Figure 7-24. CSMA/CD Receive Operation
no
MAC Drive Software
(Software jobs for typical LAN cards)
Report Error Status
Discard the Frame
ETHERNET CONTROLLER
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