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91
Instruction Functions
Section 2-2
INTELLIGENT I/O
READ
IORD
@IORD
222
Note:
CS/CJ-series CPU Unit Ver. 2.0 or later (including CS1-H, CJ1-H,
and CJ1M CPU Units from lot number 030418 or later) can read
from CPU Bus Units.
Output
Required
963
INTELLIGENT I/O
WRITE
IOWR
@IOWR
223
Note:
CS/CJ-series CPU Unit Ver. 2.0 or later (including CS1-H, CJ1-H,
and CJ1M CPU Units from lot number 030418 or later) can write
to CPU Bus Units.
Output
Required
968
Instruction
Mnemonic
Code
Symbol/Operand
Function
Location
Execution
condition
Page
IORD(222)
C
S
D
C
: Control data
S
: Transfer
source and
number of words
D
: Transfer
destination and
number of words
S
S+1
Reads the contents of the memory area for the Special I/O Unit
or CPU Bus Unit (see note).
Unit number of Special I/O Unit
Desig-
nated
number
of words
read.
IOWR(223)
C
S
D
C
: Control data
S
: Transfer
source and
number of words
D
: Transfer
destination and
number of words
D
D+1
Outputs the contents of the CPU Unit's I/O memory area to the
Special I/O Unit or the CPU Bus Unit (see note).
Unit number of Special I/O Unit
Desig-
nated
number of
words writ-
ten.
Summary of Contents for SYSMAC CS1D-CPU**
Page 3: ...iv...
Page 29: ...xxx...
Page 185: ...146 List of Instructions by Function Code Section 2 4...
Page 1389: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2...
Page 1390: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits...
Page 1391: ...1352 ASCII Code Table Appendix A...