HIPPI
S2020/S2021 SOURCE DEVICE STATE MACHINES
Figure 6. S2021 Connect SM State Transition Diagram
"RQCN" + "CNAC" + "CNRJ"
"IDSB"
"DSBL"
"DSBL"
{WAITIDLE}
0 0 0
2
{DISABLED}
0
"IDSB"
0 0 0
"IDSB"
"IENB"
"IENB"
"IDSB"
"IDSB"
{IDLENAB}
1 0 0
4
"IENB"
{IDLDSAB}
1 0 0
5
"IENB"
"RQCN"
"RQCN"
{REQCON}
1 1 0
6
"IDSB"
"IENB"
"CNRJ"
"CNRJ"
"CNAC"
"CNAC"
{REJ 0-3}
1 1 1
8 - 11
{ACC O}
1 1 1
16
{REJ 4-6}
1 1 0
12-14
{ACC 1-2}
1 1 1
17-18
{REJ 7}
1 1 0
15
{ACC 3}
1 1 1
19
From
24
To 7
From
7
Input code "DSBL" forces
STATE 0 from all other states
"RQCN",
"CNRJ",
"CNAC"
To 24
To 25
From
24
From
23
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20