HIPPI
S2020/S2021 SOURCE DEVICE STATE MACHINES
Figure 2. S2020 Connect SM State Transition Diagram
"DR" + "CR" + "C" + "RDY" + "RST
"ND" + "RST"
"RST"
"RST"
{LOSTDEST}
0 0 1
0
{INIT}
1 0 1
2
"I" + "DR"
"LD"
"RST"
"LD"
" I "
"ND"
"ND"
"I" + "DR"
{IDLE}
1 0 1
3
"I" +
"DR" +
"C" + "RDY"
{NODEST}
0 0 1
1
"CR"
"CR"
4
"ND"
"RST" • "LD" • "ND"
" I "
{REQ}
FROM
"RST"
"DR"
"RDY"
"CR"
1 0 1
3,4,5,
6-19, 20,
21, 22,
23, 24,
25, 26,
2 7
{DSTERR}
1 0 1
27
"C"
5
"I" + "DR"
{ABORT}
1 0 1
24
{CON1}
1 0 1
"C" + "RDY"
"RDY"
"CR" +
"C" +
"RDY"
{REJECT}
1 1 0
25
"C"
"CR"
{CONn} 6-19
1 0 1
{SRCERR}
1 0 1
26
"RST"
• "LD"
• "ND"
"CR"
"C"
"CR"
"C" + "RDY"
"CR" +
"C" +
"RDY"
{ILLTERM}
1 0 1
22
{CON16}
1 0 1
20
" I "
"I" + "DR"
"RDY"
"C" + "RDY"
{TERMCON} 23
1 1 1
"CR"
"CR"
{CONNECTED} 21
1 1 1
"I" +
"DR"
"C" + "RDY"
"DR"
www.amcc.com
7
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
