Multiple choice technology embedded technologies

Under I2C Communication , consider ARM as Master and Keypad as Slave . Data gets transmitted from Slave to Master and Master acknowledges for every handshake.What is the mode that is required (or) should be adopted while programming with I2C interrupts ?

  1. Slave Transmitter Mode

  2. Master Reciever Mode

  3. Slave Reciever Mode

  4. Master Transmitter Mode

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In I2C communication, when the ARM processor acts as the Master and requests data from a Slave device (the keypad), the ARM master receives data bytes and acknowledges them. This role and direction correspond specifically to the Master Receiver Mode.