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What does I2C do?
I2C is a serial communication protocol, so data is transferred bit by bit along a single wire (the SDA line). Like SPI, I2C is synchronous, so the output of bits is synchronized to the sampling of bits by a clock signal shared between the master and the slave. The clock signal is always controlled by the master.
What do understand by I2C protocol?
I2C stands for Inter-Integrated Circuit. It is a bus interface connection protocol incorporated into devices for serial communication. Recently, it is a widely used protocol for short-distance communication. It is also known as Two Wired Interface(TWI).
What is the disadvantage of SPI?
Following are the disadvantages of SPI: ➨It uses one CS line per slave and hence hardware complexity increases if slave devices are more in the design. ➨In order to add slave device, software needs to be changed and extra CS line is required to be added. ➨No flow control and no acknowledgment used in SPI.
What do you need to know about the I2C protocol?
The inter-integrated circuit or I2C Protocol is a way of serial communication between different devices to exchange their data with each other. It is a half-duplex bi-directional two-wire bus system for transmitting and receiving data between masters (M) and slaves (S). These two wires are Serial clock line or SCL and Serial data line or SDA.
What does SDA stand for in I2C protocol?
SDA (Serial Data) – The line for the master and slave to send and receive data. SCL (Serial Clock) – The line that carries the clock signal. I2C is a serial communication protocol, so data is transferred bit by bit along a single wire (the SDA line).
What kind of wires are used in I2C?
Like UART communication, I2C only uses two wires to transmit data between devices: SDA (Serial Data) – The line for the master and slave to send and receive data. SCL (Serial Clock) – The line that carries the clock signal.
What’s the difference between a SCL and an I2C?
SCL (Serial Clock) – The line that carries the clock signal. I2C is a serial communication protocol, so data is transferred bit by bit along a single wire (the SDA line). Like SPI, I2C is synchronous, so the output of bits is synchronized to the sampling of bits by a clock signal shared between the master and the slave.