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Appendix 2 READ/WRITE Instruction Execution Time
The READ and WRITE instructions have different execution times, depending on the
T2/T2E/T2N.
1) For the T2 (basic/extension base unit)
• READ instruction
Instruction execution time (µs) = 720 (µs) + 9.0 (µs/word) × N (word)
• WRITE instruction
Instruction execution time (µs) = 721 (µs) + 15.0 (µs/word) × N (word)
2) For the T2E/T2N (basic/extension base unit)
• READ instruction
Instruction execution time (µs) = 430 (µs) + 5.6 (µs/word) × N (word)
• WRITE instruction
Instruction execution time (µs) = 127 (µs) + 10.6 (µs/word) × N (word)