MAR28140FD Ver la hoja de datos (PDF) - Dynex Semiconductor
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MAR28140FD Datasheet PDF : 72 Pages
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MA28140
Event
(Cont') Valid
AD frame
arrives
Conditions
N(S)<V(R) and N(S)>
V(R)-NW i.e. inside
negative part of sliding
window
N(S)>V(R)+PW-1 and
N(S)<V(R)-NW i.e.outside
sliding window
Event
Numbe r
E4
E5
OPEN
Discard
(S1)
Discard
Lockout
Flag:=1
WAI T
Discard
(S2)
Discard
Lockout
Flag:=1
LOCKOUT
Discard
(S3)
Discard
Valid BD frame arrives*
Valid Unlock BC frame arrives
(S3)
(S3)
(S3)
E6
Accept, Increment Accept, Increment Accept, Increment
FARM-B Counter
FARM-B Counter
FARM-B Counter
(S1)
(S2)
(S3)
E7
Increment FARM-B Increment FARM-B Increment FARM-B
Counter,
Counter,
Counter,
Retransmit Flag:=0 Retransmit Flag:=0, Retransmit Flag:=0,
Wait Flag:=0
Wait Flag:=0, Lockout
Flag:=0
(S1)
(S1)
(S1)
E8
Increment FARM-B Increment FARM-B Increment FARM-B
Counter,
Counter,
Counter,
Retransmit Flag:=0 Retransmit Flag:=0
V(R):=V*(R)
Wait Flag:=0
Valid Set V(R) to V*(R) BC frame arrives
V(R):=V*(R)
Invalid frame arrives
Buffer release signal
CLCW report time
(S1)
E9
Discard
(S1)
Discard
(S3)
Discard
(S1)
E10
Ignore
(S1)
Wait Flag:=0
(S3)
Wait Flag:=0
(S1)
(S1)
(S3)
E11
Report value of:
Report value of: Report value of: V(R),
V(R),
V(R),
Lockout Flag,
Lockout Flag,
Lockout Flag,
Wait Flag,
Wait Flag,
Wait Flag,
Retransmit Flag,
Retransmit Flag,
Retransmit Flag,
FARM-B Counter
FARM-B Counter
FARM-B Counter
(S1)
(S2)
(S3)
* Note: Event E6 implies that Event E10 also occurs. When in state S2, an event E6 will lead to state S1.
Table 1: The FARM-1 State Table (continued)
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