The Makerspace Workbench by Adam Kemp

The Makerspace Workbench by Adam Kemp

Author:Adam Kemp
Language: eng
Format: epub, pdf
Tags: EDUCATION / Teaching Methods & Materials / Science & Technology
ISBN: 9781449355623
Publisher: Maker Media, Inc
Published: 2013-09-10T04:00:00+00:00


I2C

I2C, or two-wire bus protocol, is a simple, two-wire communications interface that allows for 8-bit, serial, bidirectional data transfer (Figure 5-41). Developed by Philips Semiconductors (now NXP Semiconductor), I2C bus allows for communications speeds from 100 kbps in standard-mode to up to 5 megabits per second (Mbps) in Ultra-Fast mode over only two bus lines, SDA and SCL.

Figure 5-41. I2C communication requires three connections: SDA, SCL, and GND. The fourth connection, power, is only needed if the client device requires power.



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