I2C Bus

I²C Bus Fundamentals

NXP Semiconductors

This tutorial will introduce the I²C bus, overview its hardware architecture, explain its communication waveforms, and step through the data transfer sequence. It will also explain the advantages of I²C and review the electrical specifications for the different I²Cmodes.

Related Parts

รูปภาพManufacturer Part NumberคำอธิบายAvailable Quantityราคา
IC RTC CLOCK/CALENDAR I2C 20SOPCF2127AT/2YIC RTC CLOCK/CALENDAR I2C 20SO0 - ImmediateSee Page for Pricingดูรายละเอียด
IC RTC CLOCK/CALENDAR I2C 8SOPCF8563T/F4,118IC RTC CLOCK/CALENDAR I2C 8SO1519 - Immediate$47.20ดูรายละเอียด
IC RTC CLOCK/CALENDAR I2C 8DIPPCF8583P/F5,112IC RTC CLOCK/CALENDAR I2C 8DIP0 - ImmediateSee Page for Pricingดูรายละเอียด
IC RTC CLOCK/CALENDAR I2C 8SOPCF8583T/5,518IC RTC CLOCK/CALENDAR I2C 8SO0 - Immediate$118.33ดูรายละเอียด
IC RTC CLOCK/CALENDAR I2C 8SOPCF8593T/1,118IC RTC CLOCK/CALENDAR I2C 8SO0 - Immediate$122.21ดูรายละเอียด
IC RTC CLK/CALENDAR I2C 8TSSOPPCA8565TS/1,118IC RTC CLK/CALENDAR I2C 8TSSOP333 - Immediate$69.19ดูรายละเอียด
IC RTC CLK/CALENDAR I2C 10HVSONPCF8563BS/4,118IC RTC CLK/CALENDAR I2C 10HVSON400 - Immediate$46.56ดูรายละเอียด
IC RTC CLK/CALENDAR I2C 8TSSOPPCF8563TS/4,118IC RTC CLK/CALENDAR I2C 8TSSOP811 - Immediate$55.28ดูรายละเอียด
IC RTC CLOCK/CALENDAR I2C 8SOPCF8563T/F4,112IC RTC CLOCK/CALENDAR I2C 8SO0 - ImmediateSee Page for Pricingดูรายละเอียด
IC RTC CLK/CALENDAR I2C 14TSSOPPCF8523TS/1,112IC RTC CLK/CALENDAR I2C 14TSSOP0 - ImmediateSee Page for Pricingดูรายละเอียด
IC RTC CLOCK/CALENDAR I2C 8SOPCF8523T/1,118IC RTC CLOCK/CALENDAR I2C 8SO42500 - ImmediateSee Page for Pricingดูรายละเอียด
IC RTC CLK/CALENDAR I2C 8HVSONPCF8523TK/1,118IC RTC CLK/CALENDAR I2C 8HVSON0 - Immediate$50.43ดูรายละเอียด
IC RTC CLK/CALENDAR I2C 14TSSOPPCF8523TS/1,118IC RTC CLK/CALENDAR I2C 14TSSOP266 - Immediate$52.05ดูรายละเอียด
IC RTC CLOCK/CALENDAR I2C 8SOPCF8563T/5,518IC RTC CLOCK/CALENDAR I2C 8SO45683 - Immediate$35.24ดูรายละเอียด
IC RTC CLK/CALENDAR I2C 8TSSOPPCF8563TS/5,118IC RTC CLK/CALENDAR I2C 8TSSOP2812 - Immediate$48.17ดูรายละเอียด
IC DAS/ADC/DAC SPECIAL 16-DIPPCF8591P,112IC DAS/ADC/DAC SPECIAL 16-DIP0 - ImmediateSee Page for Pricingดูรายละเอียด
IC DAS/ADC/DAC SPECIAL 16-SOPCF8591T/2,518IC DAS/ADC/DAC SPECIAL 16-SO0 - Immediate$148.39ดูรายละเอียด
IC DAS/ADC/DAC SPECIAL 16-SOPCF8591T/2,512IC DAS/ADC/DAC SPECIAL 16-SO0 - ImmediateSee Page for Pricingดูรายละเอียด
IC CONTROLLER PARALLEL INTERFACEPCA9564D,112IC CONTROLLER PARALLEL INTERFACE0 - ImmediateSee Page for Pricingดูรายละเอียด
IC CTRL PARALLEL/I2C BUS 20TSSOPPCA9564PW,112IC CTRL PARALLEL/I2C BUS 20TSSOP0 - ImmediateSee Page for Pricingดูรายละเอียด
PTM Published on: 2011-06-22

Related Product Highlight

Voltage Level Translators NXP's voltage translators address the various applications that need a transition of I²C signals through multiple voltage domains without direct control.
DAC7571 Single-Channel 12-Bit DACs Texas Instruments offers the DAC7571 2.7 V to 5.5 V, I²C interface (receiver only), voltage output, 12-bit digital-to-analog converters.
TPS3808 Microprocessor Supervisory Circuits Texas Instruments' TPS3808 microprocessor supervisory circuit asserts a RESET signal when the SENSE pin voltage drops below VIT or the manual reset is driven low.

Related Articles and Blogs

Logic Level Shifting Basics Mainstay 5 V logic is joined by ever lower voltage standards like 3.3 V, 2.5 V, 1.8 V and lower, resulting in the need for mismatched systems to communicate.
Use a Tiny Humidity and Temperature Sensor to Effectively Collect Critical Environmental Data A miniature digital sensor helps developers more easily meet emerging application requirements for accurate humidity and temperature measurement.
Issues with the I²C (Inter-IC) Bus and How to Solve Them How to avoid common issues when working with I2C.

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