Mitsubishi Electric Q12DCCPU-V - Multiple CPU Shared Memory Access Time; When Accessing the CPU Shared Memory

APPX - 4
Appendix 1 Function Processing Time
APPENDICES
3) When accessing an intelligent function module other than the QJ61BT11N in a
single CPU system
(c) Multiple CPU shared memory access time
1) When accessing the CPU shared memory (auto refresh area or user setting
area) of the host CPU in a multiple CPU system (CPU No.1: Q25HCPU, CPU
No.2: C Controller module)
2) When accessing the CPU shared memory (auto refresh area or user setting
area) of CPU No.1 in a multiple CPU system (CPU No.1: Q25HCPU, CPU
No.2: C Controller module)
Table APPX.6 Access time
Function
Communication
size
Access time
Q12DCCPU-V Q06CCPU-V Q06CCPU-V-B
QBF_FromBuf
1 word
14 s 16 s 16 s
64 words
40 s 42 s 41 s
512 words
214 s 222 s 233 s
QBF_ToBuf
1 word
15 s 17 s 17 s
64 words
39 s 41 s 43 s
512 words
204 s 212 s 222 s
Table APPX.7 Access time
Function
Communication
size
Access time
Q12DCCPU-V Q06CCPU-V Q06CCPU-V-B
QBF_FromBuf
1 word
10 s 13 s 13 s
64 words
18 s 20 s 26 s
512 words
76s 73s 125s
QBF_ToBuf
1 word
11 s 14 s 19 s
64 words
16 s 18 s 23 s
512 words
65 s 50 s 57 s
Table APPX.8 Access time
Function
Communication
size
Access time
Q12DCCPU-V Q06CCPU-V Q06CCPU-V-B
QBF_FromBuf
1 word
11 s 8 s 9 s
64 words
39 s 38 s 38 s
512 words
222 s 226 s 217 s
QBF_ToBuf
1 word
64 words
512 words