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8-1
Section
CPM1/CPM1A Cycle Time and I/O Response Time
518
In addition to the response time shown above, the time required for executing
the interrupt processing routine itself and a return time of 30
µ
s must also be ac-
counted for when returning to the process that was interrupted.
8-1-6 CPM1/CPM1A Instruction Execution Times
The following table lists the execution times for CPM1/CPM1A instructions.
Basic Instructions
Code
Mnemonic
ON execution
ti
(
)
Conditions (Top: min.; bottom: max.)
OFF execution time (
µ
s)
time (
µ
s)
(
p
;
)
RSET
IL
JMP
---
---
LD
LD NOT
1.72
Any
---
---
---
---
---
AND
AND NOT
OR
OR NOT
1.32
---
---
AND LD
OR LD
0.72
---
---
OUT
OUT NOT
4.0
---
SET
5.8
---
RSET
5.9
---
TIM
10.0
Constant for SV
16.2
16.0
6.4
DM for SV
31.4
31
6.4
---
CNT
12.5
Constant for SV
14.1
6.2
6.6
DM for SV
29.1
6.2
6.6
Special Instructions
Code
Mnemonic
ON execution
time (
µ
s)
Conditions (Top: min.; bottom: max.)
OFF execution time (
µ
s)
00
NOP
0.36
Any
01
END
10.8
y
02
IL
4.6
2.6
03
ILC
3.6
3.6
04
JMP
4.3
2.4
05
JME
4.7
4.7
06
FAL
38.5
5.5
07
FALS
5.0
5.4
08
STEP
14.9
11.1
09
SNXT
14.2
7.6
10
SFT
Reset
IL
JMP
21.9
With 1-word shift register
19.7
2.6
2.6
34.1
With 10-word shift register
26.5
2.6
2.6
93.6
With 100-word shift register
60.1
2.6
2.6
11
KEEP
6.2
Any
Reset
IL
JMP
6.1
3.1
3.1
12
CNTR
Reset
IL
JMP
25.8
Constant for SV
16.8
12.2
12.2
41.2
DM for SV
13
DIFU
11.8
Any
Shift
IL
JMP
y
10.1
12.2
12.2
14
DIFD
11.0
Any
Shift
IL
JMP
y
10.0
9.9
2.3