APPENDICES
Appendix 2 Special Register List
App
- 92
9
P
a
ra
met
e
rs
10
Device
Exp
la
n
at
ion
11
CP
U
M
odu
le
P
ro
cessi
ng
Ti
m
e
12
P
roc
e
d
ure
f
or W
rit
in
g
P
rog
ra
m t
o CP
U Mo
du
le
A
p
pe
nd
ic
e
s
In
de
x
*2 : Shows the special register (SD
) for the host system CPU.
Number
Name
Meaning
Explanation
Set by
(When Set)
Corres-
ponding
ACPU
SD
*2
Corresponding
CPU
SD1650
Other system
operating
information
Other system
operating
information
Stores the operation information of the other system CPU module in the
following format.
"00FF
H
" I stored when a communication error occurs, or when in debug
mode.
Note : A communication error is caused by the following:.
• When the power supply is switched off, or when the other system is
reset.
• H/W error occurs on either of system A or B.
• WDT error occurs.
• Tracking cable is not connected.
• Tracking cable is disconnected or damaged.
S(Every END)
–
QnPRH
SD1690
Network module
head address,
which requested
system
switching on
host (control)
system
Network module
head address,
which requested
system switching
on host (control)
system
• Stores head address of network module which a system switch request
was initiated, using the following format.
• Turns off automatically by system, after network error is reset by user.
• Please refer to SD1590 which stores the corresponding head address of
network module on host system.
S(Every END)
0: No error
1: Continue error
2: Stop error
F: Communication with
other system
disabled
0: RUN
2: STOP
3: PAUSE
F: Communication with
other system
disabled
: Communication
with other system
disabled, debug
mode
b15
to
to
b8
b4
b7
to
b3
b0
0
SD1650
)
(
)
(
to
b1 b0
b15
b11
to
to
0
0/1
0/1
0
Module 0:
CPU module is
invalid as it is 2-
slot model
Module 1:
Module on the
right side of the
CPU module
Module11:
Module at the
rightmost end of
the 12-slot base
(Q312B)
SD1690
Each bit
0:OFF
1:ON
