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ST43401N/ND and ST43402ND Reference Manual, Rev. C
Table 10. Message code descriptions
Code
(Hex)
Initiator
Target
Description
Direction of Transfer
00
M
M
Command complete
Target ------> Initiator
01//00
O
O
Modify data pointer
Target ------> Initiator
01//01
O
O
Sync data transfer request
Target <-----> Initiator
02
O
O
Save data pointer
Target ------> Initiator
03
O
O
Restore pointers
Target ------> Initiator
04
O
O
Disconnect
Target ------> Initiator
05
O
M
Initiator detected error
Initiator ------> Target
06
O
M
Abort
Initiator ------> Target
07
M
M
Message reject
Target <-----> Initiator
08
M
M
No operation
Initiator ------> Target
09
M
M
Message parity error
Initiator ------> Target
0A
O
O
Linked command complete
Target ------> Initiator
0B
O
O
Linked command complete
Target ------> Initiator
with flag
0C
O
M
Bus device reset (see note 1)
Initiator ------> Target
0D
O
M
Abort tag
Initiator ------> Target
0E
O
O
Clear queue (see note 2)
Initiator ------> Target
0F-13
Reserved
—
—
14
O
O
Reset other port message
Initiator ------> Target
15-1F
Reserved
—
—
20
O
O
Simple queue tag (two bytes)
Target <-----> Initiator
21
O
O
Head of queue tag (two bytes)
Initiator ------> Target
22
O
O
Ordered queue tag (two bytes)
Initiator ------> Target
23-7F
Reserved
—
—
80-FF
M
M
Identify (establishes the
Target <-----> Initiator
communication path between
an initiator and target for a
logical unit)
continued
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