1083
Instruction Execution Times and Number of Steps Section 4-1
(2) The execution times of IORD(222) and IOWR(223) depend on the Spe-
cial I/O Unit for which the instruction is executed.
Serial Communications Instructions
Note When a double-length operand is used, add 1 to the value shown in the length
column in the following table.
Network Instructions
Note When a double-length operand is used, add 1 to the value shown in the length
column in the following table.
Display Instructions
Instruction Mnemonic Code Length
(steps)
(See
note.)
ON execution
time (µs)
Conditions
CP1H CP1L
PROTOCOL
MACRO
PMCR 260 5 152.83 --- Sending 0 words, receiving 0 words
186.37 --- Sending 249 words, receiving 249 words
TRANSMIT TXD 236 4 107.67 118.2 Sending 1 byte
1.22
ms
1.31
ms
Sending 256 bytes
RECEIVE RXD 235 4 149.3 160.0 Storing 1 byte
1.33
ms
1.45
ms
Storing 256 bytes
TRANSMIT VIA
SERIAL
COMMUNICATIONS
UNIT
TXDU 256 4 145.64 --- Sending 1 byte
RECEIVE VIA
SERIAL
COMMUNICATIONS
UNIT
RXDU 255 4 44.48 --- Storing 1 byte
CHANGE SERIAL
PORT SETUP
STUP 237 3 479.3 252.8 ---
Instruction Mnemonic Code Length
(steps)
(See note.)
ON execution
time (µs)
Conditions
CP1H CP1L
NETWORK SEND SEND 090 4 174.63 158.4 ---
NETWORK RECEIVE RECV 098 4 173.97 153.8 ---
DELIVER COMMAND CMND 490 4 195.97 186.3 ---
EXPLICIT MESSAGE SEND EXPLT 720 4 228.63 --- ---
EXPLICIT GET ATTRIBUTE EGATR 721 4 203.30 --- ---
EXPLICIT SET ATTRIBUTE ESATR 722 3 197.30 --- ---
EXPLICIT WORD READ ECHRD 723 4 188.63 --- ---
EXPLICIT WORD WRITE ECHWR 724 4 181.97 --- ---
Instruction Mnemonic Code Length (steps)
(See note.)
ON execution
time (µs)
Conditions
CP1H CP1L
DISPLAY MESSAGE MSG 046 3 17.16 22.6 Displaying message
15.43 22.6 Deleting displayed message
7-SEGMENT LED
WORD DATA DIS-
PLAY
SCH 047 3 48.13 --- ---
7-SEGMENT LED
CONTROL
SCTRL 048 2 36.40 --- ---
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