6F3B0250

Basic Hardware and Function 133

7. Instructions

Special I/O instructions

FUN Name Expression Function Steps Speed Available Pa
g
e
No. (ms) T1 T1S
235 Direct I/O -[ I/O (
n
)
A
]-Performs the immediate block
I/O transfer of
n
registers
starting with
A
.
3 20.7 +
21.3 ´
n
ÖÖ
257
236 Expanded data
transfer -[ A XFER
B
®
C
]-Writes data into the built-in
EEPROM, or reads data from
the EEPROM. The transfer
source and destination are
indirectly designated by
A
and
C
. The transfer register size is
designated by
B
.
4 54.0
1w read
-
7130
16w
write
ÖÖ
259
237 Special module
data read -[ A READ
B
®
C
]-Reads data from the special
module indicated by
A
and
stores the data in a table
starting with
C
. The transfer
source address and size are
designated by
B
and
B+1
.
4 126.0 +
7.9 ´ N
(N: size)
ÖÖ
263
238 Special module
data write -[ A W RITE
B
®
C
]-Writes data stored in a table
starting with
A
into the special
module indicated by
C
. The
transfer destination address
and size are designated by
B
and
B+1
.
4 126.0 +
7.9 ´ N
(N: size)
ÖÖ
265

NOTE The index modification is available for som e inst r uctions. The values in the

execution speed column show the execution time without index modification.

If index modification is used, approx. 20 ms is added per one indexed operand.

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