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+# I2C - Inter Integrated Circuit
+
+[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0) [![UPRJ_CI](https://github.com/efabless/caravel_project_example/actions/workflows/user_project_ci.yml/badge.svg)](https://github.com/efabless/caravel_project_example/actions/workflows/user_project_ci.yml) [![Caravel Build](https://github.com/efabless/caravel_project_example/actions/workflows/caravel_build.yml/badge.svg)](https://github.com/efabless/caravel_project_example/actions/workflows/caravel_build.yml)
+
+
+## I2C Controller
+
+I2C bus, the controller transmits 8-bit data with the
+target receiving those 8-bits.
+
+Modes of Operation:
+
+```
+ #------------------------------------#
+ | i_read 	| Controller 	| Target 		|
+ |----------|-------------|-----------|
+ | 0				| Transmit		| Receive 	|
+ | 1				| Receive			| Transmit	|
+ #------------------------------------#
+```
+
+Frequency of operation 	= 5 Mbps
+
+---
+
+References: 
+
+* [I2C wikipedia](https://en.wikipedia.org/wiki/I%C2%B2C)