Mitsumi electronic NZ2GF-ETB Manual Do Utilizador
217
APPENDICES
A
Appendix 5 Special Regist
er (SD
) List
Appendix 5
Special Register (SD) List
The special registers (SD) are internal registers whose applications are predetermined in the Ethernet adapter module.
However, data can be written as necessary for control of the Ethernet adapter module. Data are stored in the special
registers as binary values unless otherwise specified.
The following table shows how to read the special register list.
However, data can be written as necessary for control of the Ethernet adapter module. Data are stored in the special
registers as binary values unless otherwise specified.
The following table shows how to read the special register list.
Do not change any system-set special register by using a dedicated instruction or SLMP. Doing so may result in a system
down or a communication failure.
down or a communication failure.
Item
Description
No.
Special register (SD) number
Name
Special register (SD) name
Description
Content of the special register (SD)
Details
Detailed description of the special register (SD)
Set by
(Set timing)
(Set timing)
Setting side and, in the case of system setting, the timing
<Set by>
• S: Set by the system
• U: Set by the user (by a dedicated instruction, SLMP, etc.)
• S/U: Set by both the system and user
<Set timing>
Only in the case of system setting, the timing is indicated.
• Initial: Set during initial processing (after power-on or reset)
• Status change: Set when the operating status is changed.
• Error: Set when an error occurred.
• Switch change: Set when the switch is changed.
• Write: Set when data are written.
<Set by>
• S: Set by the system
• U: Set by the user (by a dedicated instruction, SLMP, etc.)
• S/U: Set by both the system and user
<Set timing>
Only in the case of system setting, the timing is indicated.
• Initial: Set during initial processing (after power-on or reset)
• Status change: Set when the operating status is changed.
• Error: Set when an error occurred.
• Switch change: Set when the switch is changed.
• Write: Set when data are written.