Motorola MCF5281 ユーザーズマニュアル

17-12

MOTOROLA

 

Accept/Reject

Broadcast Addr

?

?

PROM = 1

?

Receive
Address

True

NOTES:
BC_REJ - field in RCR register (BroadCast REJect)

False

True

 

False

BC_REJ = 1

?

 

Frame

Hash Match

?

Exact Match

?

Pause Frame

False

False

False

False

True

True

True

True

Receive Frame

Receive Frame

Receive Frame

Receive Frame

Reject Frame

Reject Frame

PROM - field in RCR register (PROMiscous mode)

Pause Frame - valid PAUSE frame received

Set BC bit in RCV BD

Set MC bit in RCV BD if multicast

Set M (Miss) bit in Rcv BD

Set MC bit in Rcv BD if multicast

Set BC bit in Rcv BD if broadcast

Flush from FIFO

Flush from FIFO

Recognition