Filter
Top Products
App-191
8
8
8
8
A
8
7
8
Appendix 4 SPECIAL REGISTER LIST
*2: The built-in Ethernet port QCPU whose serial number (first five digits) is "11012" or later is targeted.
TableApp.4.15 Special register
Number Name Meaning Explanation
Set by
(When Set)
Corres-
ponding
ACPU
D9
Corresponding
CPU
SD1282
Open completion
signal
Stores open
completion status
Open completion status of connections (whose open system is socket
communication) using socket communication functions is stored.
All bits corresponding to connections using any communications other than
the socket communication are fixed to "0".
0 : Open processing is not completed.
1 : Open processing is completed.
S (Status
change)
New
QnU
*2
SD1284
Open request
signal
Stores open
request status
Open request status of connections using socket communication functions is
stored.
All bits corresponding to connections using any communications other than
the socket communication are fixed to "0".
0 : No open requests
1 : In open request
S (Status
change)
New
QnU
*2
SD1286
Reception status
signal
Stores reception
status
Reception status of connections using socket communication functions is
stored.
All bits corresponding to connections using any communications other than
the socket communication are fixed to "0".
For TCP (Normal reception mode)
0 : Data have not been received.
1 : Data have been received.
For TCP (Fixed length reception mode)
0 : Data have not been received
,or received data size has not been reached to valid buffer size.
1 : Received data size has been reached to valid buffer size.
For UDP
0 : Data have not been received.
1 : Data have been received.
S (Status
change)
New
QnU
*2
SD1288
Built-in Ethernet
port connection
status
Stores connection
status of built-in
Ethernet port
Connection status of built-in Ethernet port is stored.
It may take several seconds for the QCPU to determine whether to connect or
disconnect a built-in Ethernet port.
S (Status
change)
New
QnU
*2
b15b14
b0b1
SD1282
Connection 1
to
to
Connection 16
Connection 15
Connection 2
b15b14
b0b1
SD1284
Connection 1
to
to
Connection 16
Connection 15
Connection 2
b15b14
b0b1
SD1286
Connection 1
to
to
Connection 16
Connection 15
Connection 2
b15 b11b10
1/0
b9
b0
SD1288
to to
Connection status
0 : Not connected with or disconnected from hubs or devices.
1 : Connected to hubs or devices