I2C-Master core introduction

本文详细介绍了I2C串行总线,其支持多主操作,具有软件可编程时钟、数据传输控制和错误检测等功能。还讨论了接口参数如ARST_LVL,以及与WISHBONE接口的兼容性,包括SCL和SDA线的连接要求和FPGA集成示例。

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I2C is a two-wire, bi-directional serial bus that provides a simple and efficient method of
data exchange between devices. It is most suitable for applications requiring occasional
communication over a short distance between many devices. The I2C standard is a true
multi-master bus including collision detection and arbitration that prevents data
corruption if two or more masters attempt to control the bus simultaneously.
The interface defines 3 transmission speeds:

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