Rev. 3.0, 03/01, page 309 of 390
Table 18.18 IN Transaction Error Response
IN Transaction / Fdata Phase
EOF
Violation
Packet
Time-out
Packet
Error
Buffer
Overrun
Data
Toggle
Mismatch
NAK/
STALL
Data
Overrun/
Underrun
Status
Code
Action
yes
-
-
-
-
-
-
1110
Retire transaction.
no
yes
-
-
-
-
-
0101
Retire transaction.
no
-
yes
-
-
-
-
0001
0010
0110
0111
Retire transaction.
no
-
no
yes
-
-
-
1100
Retire transaction.
No
-
no
no
yes
-
-
0011
Retire transaction.
Return ACK handshake.
no
-
no
-
-
yes
-
0100
1111
Retire transaction.
no
-
no
no
no
-
yes
1000
1001
Retire transaction.
Return ACK handshake..
no
no
no
no
no
no
no
0000
Retire transaction.
Return ACK handshake.
Table 18.19 OUT Transaction Error Response
OUT
Transaction
Transaction
Phase
EOF
Violation
Packet
Time-out
Packet
Error
STALL/
NAK
Buffer
Underrun
Status
Code
Action
Data Phase
yes
-
-
-
-
1110
Retire transaction.
no
-
-
-
yes
1101
Force Bit Stuff Error.
Wait for Handshake
response time-out.
Handshake
Phase
yes
-
-
-
-
111x
Retire transaction.
no
yes
-
-
-
0101
Retire transaction.
no
no
yes
-
-
0001
0010
0110
0111
Retire transaction.
no
no
no
yes
-
0100
1111
Retire transaction.
no
no
no
no
-
0000
Retire transaction.
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