The I2C (Inter - Integrated Circuit) protocol is a widely used serial communication protocol for transferring data between electronic devices. It was developed by Philips in the 1980s and is now owned by NXP Semiconductors. I2C uses two bidirectional data lines called SDA (Serial Data) and SCL (Serial Clock) for communication between devices. It allows multiple devices to be connected to the same bus, and each device can be identified by a unique address. The protocol supports data transfer rates ranging from a few kilobits per second to several hundred kilobits per second.
I2C is commonly used in embedded systems, especially for connecting sensors, LCD displays, and other peripherals. It is also used in communication between microcontrollers and various ICs such as EEPROMs, ADCs, DACs, and more.
The protocol supports two modes of operation : master and slave. In the master mode, the master device initiates the communication and controls the SCL line. In the slave mode, the slave device responds to the master's requests. Overall, I2C is a reliable, efficient, and widely adopted communication protocol that facilitates seamless data transfer between different electronic devices.
Product Specifications :
- RTL Design (System Verilog).
- Test Bench (Universal Verification Methodology (UVM))
- Clock Frequency : IP core baudrates are adjustable (100kb/ps, 400kb/ps, 1Mb/ps and 3.2Mb/ps)
- Compatible with 8 bit Micro - controller.
Product Options :
- Adaptations : Generic 8 Bit 8051 Microcontroller Interface available.
- PCI / AXI possible.
- Add - ons : Verification IP - UVM VIP.
I2C Protocol Packet Format :
- Start Bit : a single condition that signals the start of a transmission.
- Slave Address : the address of the device being addressed in the transmission, either 7 bits or 10 bits in length depending on the configuration.
- R/W Bit : a single bit that indicates whether the transaction is a read or write operation.
- Address Acknowledge : a single bit that signals whether the receiver has acknowledged the Address.
- Data Byte : one or more bytes of data being transmitted between devices.
- Data Acknowledge : a single bit that signals whether the receiver has acknowledged the Data.
- Stop Bit : a single bit that signals the end of a transmission.
