HIPPI
S2020/S2021 SOURCE DEVICE STATE MACHINES
SELECT 4: SEQUENCE ERROR STATUS
DOUT0-31
3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0
1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
LLRC BURST
COUNTER
LAST CONTROLLER
INPUTS
LAST DATA BUS CONTROLLER STATE
X
E
R
R
WORD(0:7)
NDBUSC(0:6
)
NDBUST(0:14)
'0'
14 13 12 11 10 9 8 7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
6
5
4
3
2
1
0
DISCON. STATE 0
DISCON. STATE 1
DISCON. STATE 2
I-FIELD
IDLE
BEGIN PACKET
PACKET ONLY
INTER-BURST GAP
DATA TRANSFER
LLRC
END BURST/PACKET
END BURST
INTER-PACKET GAP
SEQ. ERROR
ILLEGAL INPUT
OVERFLOW
"CERR" - ERROR: CONNECTED, I-FIELD
"DXFR" - DATA: CONNECTED, PACKET, BURST
"LLRC" - GAP/LLRC: CONNECTED, PACKET, NO BURST
"HERR" - ERROR: CONNECTED, NO PACKET, BURST
"IDLG" - IDLE: CONNECTED, NO PACKET, NO BURST
"HIFL" - I-FIELD: CONNECT REQUEST
"DISC" - DISCONNECTED
HOST DATA BUS FORMAT IN FUNCTIONAL MODE
www.amcc.com
35
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
