
Rev.1.02
Nov 26, 2008
REJ03B0224-0102
455A Group
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
SRST
(System ReSet)
Instruc-
tion
code
D9
D0
Number of
words
Number of
cycles
Flag CY
Skip condition
0
000
00
01 2 00 1 16
11
-
Opera-
tion:
System reset
Grouping:
Other operation
Description: System reset occurs.
SUPT
(Set UPT flag)
Instruc-
tion
code
D9
D0
Number of
words
Number of
cycles
Flag CY
Skip condition
0
101
10
01 2 05 9 16
11
-
Opera-
tion:
(UPTF)
←1
Grouping:
Other operation
Description: Sets (1) to the high-order bit reference enable flag UPTF.
When the table reference instruction (TABP p) is executed,
the high-order 2 bits of ROM reference data is transferred
to the low-order 2 bits of register D.
SVDE
(Set Voltage Detector Enable flag)
Instruc-
tion
code
D9
D0
Number of
words
Number of
cycles
Flag CY
Skip condition
1
0
1
001
00
11 2 29 3 16
11
-
Opera-
tion:
Voltage drop detection circuit valid at powerdown
mode.
Grouping:
Other operation
Description: Voltage drop detection circuit is valid at powerdown mode
(clock operating mode, RAM back-up mode)
Note:
This instruction can be used only for H version.
SZB j
(Skip if Zero, Bit)
Instruc-
tion
code
D9
D0
Number of
words
Number of
cycles
Flag CY
Skip condition
0
010
00
j
2
02
j
16
11
-
(Mj(DP)) = 0
j = 0 to 3
Opera-
tion:
(Mj(DP)) = 0 ?
j = 0 to 3
Grouping:
Bit operation
Description: Skips the next instruction when the contents of bit j (bit
specified by the value j in the immediate field) of M(DP) is
“0”.
Executes the next instruction when the contents of bit j of
M(DP) is “1”.