571
APPENDICES
A
Appendix 3 List of Special Register Areas
*1 Built-in Ethernet port QCPU and Built-in Ethernet port LCPU
*2 Built-in Ethernet port QCPU whose serial number (first five digits) is "10102" or later
*3 Built-in Ethernet port QCPU whose serial number (first five digits) is "11082" or later
*4 Built-in Ethernet port QCPU whose serial number (first five digits) is "12072" or later
*5 Built-in Ethernet port QCPU whose serial number (first five digits) is "12112" or later
*6 Built-in Ethernet port LCPU whose serial number (first five digits) is "15102" or later
*7 Built-in Ethernet port LCPU whose serial number (first five digits) is "16112" or later
*8 Modules whose serial number (first five digits) is "17052" or later
SD1298
IP address
storage area
write error
factor
Stores error
factor when
failing to
write to IP
address
storage area
This register stores an error factor occurred when writing to
the IP address storage area (flash ROM). (Links with
SM1294.)
•0
H
: No error
•100
H
: The values of SD1292 to SD1297 are out of the
setting range.
•200
H
: Write error
•300
H
: Writing is not available because other function is
being executed.
•400
H
: Writing is not available because the IP address
storage area is being cleared
S (Status
change)
New
QnU
*3
LCPU
*6
SD1299
IP address
storage area
clear error
factor
Stores error
factor when
failing to
clear IP
address
storage area
This register stores an error factor occurred when clearing
the IP address storage area (flash ROM). (Links with
SM1297.)
•0
H
: No error
•200
H
: Clear error
•300
H
: Clearing is not available because other function is
being executed.
•400
H
: Clearing is not available because the IP address
storage area is being written.
S (Status
change)
New
QnU
*3
LCPU
*6
SD1395
Built-in
Ethernet port
counter
Number of
times that
data are not
read due to
receive
buffer full
This register stores the number of times that packet data are
not read due to receive buffer full.
Range: 0 to 65535 (0000
H
to FFFF
H
)
S (Status
change)
New
QnU
*4
Number Name Meaning Explanation
Set by
(When Set)
Corresponding
ACPU
D9
Corresponding
CPU