mcf5282 Freescale Semiconductor, Inc, mcf5282 Datasheet - Page 347

• Manufacturer Part Number: mcf5282
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
Notes:
BC_REJ - field in RCR register (BroadCast REJect)
PROM - field in RCR register (PROMiscous mode)
Pause Frame - valid PAUSE frame received
Set BC bit in RCV BD
Receive Frame
Figure 17-27. Ethernet Address Recognition—Receive Block Decisions
False
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
BC_REJ = 1
Flush from FIFO
Reject Frame
?
True
True
False
Broadcast Addr
Accept/Reject
PROM = 1
Frame
Set MC bit in Rcv BD if multicast
Set BC bit in Rcv BD if broadcast
?
?
Set M (Miss) bit in Rcv BD
Receive Frame
True
False
False
False
Exact Match
Hash Match
Recognition
Address
Receive
?
?
Set MC bit in RCV BD if multicast
True
True
Receive Frame
Pause Frame
Receive Frame
False
?
Fast Ethernet Controller (FEC)
Flush from FIFO
Reject Frame
True
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