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I²C CommunicationThe I²C Bus is a two-wire BUS system defined by NXP. The I²C Bus is bi-directional and is designed for simple but efficient control applications. It is widely used in embedded systems to interface a microcontroller with peripherals. The system is comprised of two lines, SCL (serial clock) and SDA (serial data) that carry information between the IC's connected to them. All devices connected to the bus can be master or slave devices. Each device can be in one of the following modes:
The I²C standard is described in the I²C BUS SPECIFICATION that is available at the NXP web page. This section describes the following topics: | ||||||||||
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