Mitsubishi Q02CPU

App
- 43
Appendix 2 Special Register List
APPENDICES
TableApp.20 Special register
Number Name Meaning Explanation
Set by
(When set)
Corres-
ponding
ACPU
D9
Corresponding
CPU
SD213 Clock data
Clock data
(later digits of
year, day of week)
• Stores the year (two digits) and the day of the week in SD213 in the
BCD code format as shown below.
S (Request)/U D9028
QCPU
Rem
Clock data
(day of week)
• The day of the week is stored as BCD code at SD213 as shown below:
QnA
SD220
LED display
data
LED display data
• LED display ASCII data (16 characters) stored here.
(On the Basic model QCPU, the registers store the message (16
characters of ASCII data) at error occurrence (including annunciator
ON).
• On the Basic model QCPU, the display device data at the time of CHK is
not stored.
S (When
changed)
New
SD221
SD222
SD223
SD224
SD225
SD226
SD227
SD235
Unit to which
Online module
change is being
performed
The header I/O
number of the unit
to which Online
module cxchange
is being
performed /10
H
•10
H
is added to the value of the header I/O number of which the Online
module change is being performed.
S (During Online
module
Exchange)
New
QnPH
QnPRH
SD240 Base mode
0: Automatic
mode
1: Detail mode
• Stores the base mode. S (Initial) New
QCPU
Rem
SD241
No. of extension
bases
0: Main base only
1 to 7: No. of
extension bases
• Stores the maximum number of the extension bases being installed. S (Initial) New
b15 b12
to
b11 b8
to
b7 b4
to
b3 b0
to
0
1
2
3
4
5
6
Example:
1993, Friday
1905
H
Higher digits of year (0 to 99)
Sunday
Saturday
Friday
Thursday
Wednesday
Tuesday
Monday
Day of the week
b15 b12
to
b11 b8
to
b7 b4
to
b3 b0
to
0
1
2
3
4
5
6
0005H
Sunday
Saturday
Friday
Thursday
Wednesday
Tuesday
Monday
Day of the week
Example:
Friday
Always set "0"
SD220
SD221
SD222
SD223
SD224
SD225
SD226
SD227
b15
to
b8
b7
to
b0
15th character from
the right
16th character from
the right
13th character from
the right
14th character from
the right
11th character from
the right
12th character from
the right
9th character from
the right
10th character from
the right
7th character from
the right
8th character from
the right
5th character from
the right
6th character from
the right
3rd character from
the right
4th character from
the right
1st character from
the right
2nd character from
the right