The IOR (active low) input line acts as output in
A. slave mode
B. master mode
C. master and slave mode
D. none of the mentioned
Answer:A
The IOR (active low) input line acts as output in
A. slave mode B. master mode C. master and slave mode D. none of the mentioned
Explanation: The IOR (active low) is an active low bidirectional tristate input line, that acts as input in the slave mode, and acts as output in the master mode. In master mode, this signal is used to read data from a peripheral during a memory write cycle.