MU9C8248QEC Просмотр технического описания (PDF) - Music Semiconductors
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MU9C8248QEC Datasheet PDF : 28 Pages
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MU9C8248
FUNCTIONAL DESCRIPTION (CONT’D)
Type
Condition
A prestored LIN-BN-LOUT combination is found in the RIF &
that LOUT has occurred only once in the RIF.
A prestored LIN-BN-LOUT combination is found in the RIF &
that LOUT has occurred more than one time in the RIF.
No prestored LIN-BN-LOUT combination is found in the RIF.
#RDs > SRFRD
Prestored LIN is found more than once in the RIF.
Last LOUT in RIF ≠ LIN
#RDS > ARERD
Not all prestored LOUTs in RIF
#RDs < ARERD
All prestored LOUTs in RIF
Last LOUT in RIF ≠ LIN
#RDs > STERD
Not all prestored LOUTs in RIF
#RDs < STERD
All prestored LOUTs in RIF
Bit DISSTE = ONE
Action
Copy frame
Signal MAC Interface
Discard frame
Signal MAC Interface
Increment DUPLOUT counter
Discard frame
Signal MAC Interface
Discard frame
Signal MAC Interface
Discard frame
Signal MAC interface
Discard frame
Signal MAC Interface
Increment LANIDMISMATCH
counter
Discard frame
Signal MAC Interface
Increment ARERDLIMIT-
EXCEEDED counter
Copy frame
Signal MAC Interface
Discard frame
Signal MAC Interface
Discard frame
Signal MAC Interface
Increment LANIDMISMATCH
counter
Discard frame
Signal MAC Interface
Increment STERDLIMIT-
EXCEEDED counter
Copy frame
Signal MAC Interface
Discard frame
Signal MAC Interface
Increment DUPLANIDOR-
TREEERROR counter
Discard frame
Signal MAC Interface
Note: Signalling takes place at the end of the RIF. Discard actions overrule copy actions.
Table 1: Source Routing Forwarding Conditions
Rev. 2.5 Web
6
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