User`s manual
373
CHAPTER 17 DEDICATED INSTRUCTIONS
17
17.2 Z.BUFRCVS
17.2.5 Precaution when using the BUFRCVS instruction
(1) Use the BUFRCVS instruction when receiving data via an interrupt program.
(2) Simultaneous execution of dedicated instructions
The following table lists the handling for when executing another instruction during execution of the BUFRCVS
instruction or executing the BUFRCVS instruction during execution of another instruction in the same channel.
: Available, : Not available
*1 Because the dedicated instructions listed below use a different communication protocol from that for the BUFRCVS
instruction, they are not used in the same channel.
•ONDEMAND
•CPRTCL
(3) The device storing data received via the BUFRCVS instruction must have an
area that is large enough to store the maximum size of data received from the
external device.
If an area large enough to store the maximum size of data received from the external device is not secured, the
data following the storage device will be overwritten.
Instruction
*1
Availability of
simultaneous
execution
Handling of simultaneous execution
OUTPUT
PRR
INPUT
INPUT instruction and BUFRCVS instruction cannot be used at the same time.
(However, simultaneous execution is available when channels to be used are not the same.)
BIDOUT
BIDIN
BIDIN instruction and BUFRCVS instruction cannot be used at the same time.
(However, simultaneous execution is available when channels to be used are not the same.)
CSET
PUTE
GETE
BUFRCVS
SPBUSY
UINI