Instruction Set and Execution Times Appendix C
140
Instruction Execution Times
The execution time is given in microseconds. “Word” indicates any data area address except for indirectly ad-
dressed DR (*DR).
Instruction Number of words ON execution time Conditions OFF execution time
I/O, work, or
dedicated
DR, LR, or
TC (see
note)
I/O, work, or
dedicated
LR, DR, or
TC
LD 2 3 0.4 0.8 Always Same as ON time.
LD NOT 2 3 0.4 0.8 Always Same as ON time.
AND 1 2 0.2 0.6 Always Same as ON time.
AND NOT 1 2 0.2 0.6 Always Same as ON time.
OR 1 2 0.2 0.6 Always
OR NOT 1 2 0.2 0.6 Always Same as ON time.
AND LD 2 2 0.4 0.6 Always Same as ON time.
OR LD 2 2 0.4 0.6 Always Same as ON time.
OUT 2 3 2.4 7.0 Always Same as ON time.
OUT NOT 2 3 2.4 7.0 Always Same as ON time.
TIM --- 4 --- 24.4 Constant for SV R: 23.0
IL: 24.8
38.5 Word for SV (SP16, SP20 only)
R: 28.6
63.0
*DR for SV (SP16, SP20 only)
IL: 27.1
CNT --- 4 --- 24.4 Constant for SV R: 22.4
IL: 19.8
38.8 Word for SV (SP16, SP20 only)
R: 28.9
63.0
*DR for SV (SP16, SP20 only)
IL: 4.8
NOP(00) 1 1 0.2 Always N.A.
END(01) 1 1 9.8 Always N.A.
IL(02) 2 2 19.6 Always 19.8
ILC(03) 1 1 0.2 Always 0.2
STEP(04) 4 4 35.4 Always 23.0
SNXT(05) 4 4 38.2 Always 28.4
DIFU(10) 4 4 39.2 Always Normal: 32.8
IL: 20.0
DIFD(11) 4 4 40.4 Always Normal: 34.4
IL: 20.2
KEEP(12) 4 4 29.0 Always 28.4
TIMM(20) 4 4 29.5 Constant for SV R: 23.6
IL: 22.2
25.8 Word for SV (SP16, SP20 only)
R: 28.8
63.0
*DR for SV (SP16, SP20 only)
IL: 27.1
TIMH(21) 4 4 26.0 Constant for SV R: 23.6
IL: 22.2
22.8 Word for SV (SP16, SP20 only)
R: 28.8
59.9
*DR for SV (SP16, SP20 only)
IL: 27.1
ATIM(22) 3 3 24.8 Always R: 25.5
IL: 23.9
RDM(23) 5 5 69.4 Always R: 68.0
IL: 19.4