HIPPI
S2020/S2021 SOURCE DEVICE STATE MACHINES
Figure 5. S2021 Connect SM Input Decode Alphabet
HIPPI SDIC ACTIVE
<RESET> [MODE = 0]
<RSTCON>
(From host controller SM)
<SYNCREQ>
(From HIPPI REQ)
CONIN
ACCRJ
INPUT
CODE
DESCRIPTION
X
X
X
0 0 0 0 1
1 0 0 0 1
0 1 0 0 1
IDLE, REQUESTS ENABLED
IDLE, REQUESTS DISABLED
REQUEST CONNECTION
CONNECT REJECT
CONNECT ACCEPT
SEQUENCE ERROR
RESET
"IENB"
"IDSB"
"RQCN"
"CNRJ"
"CNAC"
0 1 1 0 0 1
1 1 1 0 0 1
X X X
X X X X
X X X X X
1 X X
1 X
"DSBL"
{
0
NO SOURCE
www.amcc.com
19