1338
CJ-series Instruction Execution Times and Number of Steps Section 4-2
4-2-20 Step Instructions
Note When a double-length operand is used, add 1 to the value shown in the length
column in the following table.
4-2-21 Basic I/O Unit Instructions
Instruction Mne-
monic
Code Length
(steps)
(See
note.)
ON execution time (µs) Conditions
CPU6
@H-R
CPU6
@H
CPU4
@H
CPU4
@
CJ1M
exclud-
ing
CPU11/
21
CJ1M
CPU11
/21
STEP DEFINE STEP 008 2 17.4 17.4 20.7 27.1 35.9 37.1 Step control bit
ON
11.8 11.8 13.7 24.4 13.8 18.3 Step control bit
OFF
STEP START SNXT 009 2 6.6 6.6 7.3 10.0 12.1 14.0 ---
Instruction Mne-
monic
Code Length
(steps)
(See
note.)
ON execution time (µs) Conditions
CPU6@
H-R
CPU6@
H
CPU4@
H
CPU4@ CJ1M
exclud-
ing
CPU11
/21
CJ1M
CPU11
/21
I/O REFRESH IORF 097 3 15.5 15.5 16.4 23.5 26.7 30.4 1-word refresh
(IN) for Basic I/O
Units
17.20 17.20 18.40 25.6 29.7 35.0 1-word refresh
(OUT) for Basic
I/O Units
319.9 319.9 320.7 377.6 291.0 100.0 60-word refresh
(IN) for Basic I/O
Units
358.00 358.00 354.40 460.1 325.0 134.7 60-word refresh
(OUT) for Basic
I/O Units
SPECIAL I/O
UNIT I/O
REFRESH
(See note 4.)
FIORF 225 2 ---
(See
note 3.)
--- --- --- --- --- ---
CPU BUS I/O
REFRESH
DLNK 226 4 287.8 287.8 315.5 --- 321.3 458.7 Allocated 1 word
7-SEGMENT
DECODER
SDEC 078 4 6.5 6.5 6.9 14.1 8.1 15.7 ---
DIGITAL SWITCH
INPUT
(See note 2.)
DSW 210 6 50.7 50.7 73.5 --- 77.7 77.6 4 digits, data input
value: 0
51.5 51.5 73.4 --- 77.9 77.6 4 digits, data input
value: F
51.3 51.3 73.5 --- 83.2 80.0 8 digits, data input
value: 0
50.7 50.7 73.4 --- 77.9 77.7 8 digits, data input
value: F
TEN KEY INPUT
(See note 2.)
TKY 211 4 9.7 9.7 13.2 --- 18.7 18.6 Data input value: 0
10.7 10.7 14.8 --- 20.2 19.1 Data input value:
F
HEXADECIMAL
KEY INPUT
(See note 2.)
HKY 212 5 50.3 50.3 70.9 --- 77.3 78.1 Data input value: 0
50.1 50.1 71.2 --- 76.8 77.3 Data input value:
F