Motorola MPC823e

Communication Processor Module
MOTOROLA MPC823e REFERENCE MANUAL 16-333
COMMUNICATION
16
PROCESSOR MODULE
SCCs
Figure 16-108. Ethernet Address Recognition Flowchart
I/G ADDRESS
BROADCAST
ADDR
MULTIPLE
IND
G
I
T
F
F
T
MATCH ?
HASH SEARCH
T
MATCH ?
HASH_SEARCH
USE INDICATED
TABLE
T
MATCH ?
T
F
T
F
F
F
T
F
USE GROUP
TABLE
MULTIPLE
INDIVIDUAL
ADDRESSES
RECEIVE FRAME
IGNORE
RRJCT PIN
CHECK ADDRESS
ENABLED
BROADCAST
SINGLE ADDRESS
PROMISC ?
START RECEIVE
DISCARD FRAME
IF RRJCT PIN IS
ASSERTED
DISCARD FRAME
RECEIVE FRAME
IGNORE
RRJCT PIN
RECEIVE FRAME
IGNORE
RRJCT PIN