6F8C0845
145
Appendix B READ Instruction/
WRITE Instruction Execution Time
N: Number of words to transfer I/O access time = 8.72µs
I/O access time = 8.72µs
Table B-1 MREAD Instruction/MWRITE Instruction Execution Time (µs)
MREAD Instruction 14.72 (4+N) x I/O access time
MWRITE Instruction 14.48 (4+N) x I/O access time
Table B-2 Maximum Execution Time for DN611 Access (ms)
(128 words for input/output)
MREAD Instruction 1.17
MWRITE Instruction 1.12
To ta l 2.29