9
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9.7 File Register (R)
9.7.6 Precautions for using file registers
9
DEVICE EXPLANATION
(d) Change of file register processing time depending on CPU module
version
Note9.17
Note17
When the file register is specified in the serial access format (ZR ) for the
access instruction to the standard RAM on the High Performance model QCPU of
which first 5 digits of serial No. are 02092 or later, the processing time per
instruction becomes longer than that of the High Performance model QCPU of
02091 or earlier. (The increased time per instruction is 1.1
s for the Q02CPU and
0.65
s for the QnHCPU on average.)
Table9.14 indicates the processing time taken when the MOV instruction is used.
Unit : s
Note17
Table9.14 Change of processing time depending on file register specifying method
Instruction
Q12HCPU Q02CPU
02092 or later 02091 or earlier 02092 or later 02091 or earlier
MOV K0 R0 0.11 0.11 0.26 0.26
MOV K0 ZR0 3.55 2.88 7.71 6.64
Process Redundant
Basic
Note9.17Note9.17 Note9.17
The Basic model QCPU, Process CPU and Redundant CPU do not change in file register
processing time depending on the CPU module version.
Process Redundant
Note9.17
Basic
Note9.17 Note9.17
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