3-11

3 Instruction Execution Times and Number of Steps
CP1E CPU Unit Instructions Reference Manual(W483)
3-1 CP1E CPU Unit Instruction
Execution Times and Number of
3
ACCELERATION CONTROL ACC 888 4 75.6 Continuous mode
82.8 Independent mode
ORIGIN SEARCH ORG 889 3 52.2 Origin search
126.8 Origin return
PULSE WITH VARIABLE DUTY
FACTOR
PWM 891 4 28.9 ---
Step Instructions
Instruction Mnemonic FUN
No.
Length
(steps)
ON execution
time (µs) Conditions
STEP DEFINE STEP 008 2 10.5 Step control bit ON
10.4 Step control bit OFF
STEP START SNXT 009 2 9.6 ---
I/O Unit Instructions
Instruction Mnemonic FUN
No.
Length
(steps)
ON execution
time (µs) Conditions
I/O REFRESH IORF 097 3 170.7 Refreshing 1 input word for CP1W
Expansion Unit
146.6 Refreshing 1 output word for CP1W
Expansion Unit
1725.8 Refreshing 12 input words for CP1W
Expansion Unit
1359.9 Refreshing 12 output words for CP1W
Expansion Unit
7-SEGMENT DECODER SDEC 078 4 21.9 ---
MATRIX INPUT MTR 213 5 31.6 Data input value: 00
31.6 Data input value:FF
7-SEGMENT DISPLAY OUTPUT 7SEG 214 5 27.1 4 digits
30.8 8 digits
Serial Communications Instructions
Instruction Mnemonic FUN
No.
Length
(steps)
ON execution
time (µs) Conditions
TRANSMIT TXD 236 4 25.0 Sending 1 byte
25.0 Sending 256 bytes
RECEIVE RXD 235 4 39.2 Storing 1 byte
256.6 Storing 256 bytes
Clock Instructions
Instruction Mnemonic FUN
No.
Length
(steps)
ON execution
time (µs) Conditions
CALENDAR ADD CADD 730 4 56.6 ---
CALENDAR SUBTRACT CSUB 731 4 55.1 ---
CLOCK ADJUSTMENT DATE 735 2 29.9 ---
Instruction Mnemonic FUN
No.
Length
(steps)
ON execution
time (µs) Conditions