HIPPI
S2020/S2021 SOURCE DEVICE STATE MACHINES
Figure 3. Data/FIFO SM Input Decode Alphabet
<FLOWON>
BSTAV
DATAV
<256THWORD>
SHBST
PKTAV
<CNNECTED>
<CONREQ>
<RESET>
INPUT DESCRIPTION
0
1
2
3
4
5
6
7
8
"FLOF"
"NODT" X X X X X X
"DRDY" X X X X X X
"DTAV"
"256W" X X X X X
"SBST"
"IFLD"
"PKT"
"NPKT"
"NPIF"
"CON"
"CNRQ" 0 1 X X X
"DSCN" 0 0 0 X X
"RST"
X X X X X
X
X
X 0
FLOW OFF
NO DATA
DATA READY
DATA AVAILABLE
256th WORD
SHORT BURST
I-FIELD
PACKET
NO PACKET
NO PACKET OR I-FIELD
CONNECTED
CONNECT REQUEST
DISCONNECTED
RESET
0 X X
1
1
X X X
X X X
X X X
X X X
X X X
1 X
0 X
X X X X X X
1
X
X
X
X
X X X
X X X
X X X
X X X
X X X
1 1
0 1
1 0
0 0
9
0 X X X X X
10
11
12
13
0 0 1 X X
X
X
X
X
X X X
X X X
X X X
X X X
1 X X X X
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12
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