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

圖片製造商零件編號說明現有數量價格
IC RTC CLOCK/CALENDAR I2C 20SOPCF2127AT/2YIC RTC CLOCK/CALENDAR I2C 20SO97 - 即時供貨$41.12查看詳情
IC RTC CLOCK/CALENDAR I2C 8SOPCF8563T/F4,118IC RTC CLOCK/CALENDAR I2C 8SO5483 - 即時供貨$12.07查看詳情
IC RTC CLOCK/CALENDAR I2C 8DIPPCF8583P/F5,112IC RTC CLOCK/CALENDAR I2C 8DIP0 - 即時供貨See Page for Pricing查看詳情
IC RTC CLOCK/CALENDAR I2C 8SOPCF8583T/5,518IC RTC CLOCK/CALENDAR I2C 8SO0 - 即時供貨$28.39查看詳情
IC RTC CLOCK/CALENDAR I2C 8SOPCF8593T/1,118IC RTC CLOCK/CALENDAR I2C 8SO993 - 即時供貨$29.37查看詳情
IC RTC CLK/CALENDAR I2C 8TSSOPPCA8565TS/1,118IC RTC CLK/CALENDAR I2C 8TSSOP2021 - 即時供貨$16.64查看詳情
IC RTC CLK/CALENDAR I2C 10HVSONPCF8563BS/4,118IC RTC CLK/CALENDAR I2C 10HVSON13529 - 即時供貨$11.18查看詳情
IC RTC CLK/CALENDAR I2C 8TSSOPPCF8563TS/4,118IC RTC CLK/CALENDAR I2C 8TSSOP175 - 即時供貨$13.30查看詳情
IC RTC CLOCK/CALENDAR I2C 8SOPCF8563T/F4,112IC RTC CLOCK/CALENDAR I2C 8SO0 - 即時供貨See Page for Pricing查看詳情
IC RTC CLK/CALENDAR I2C 14TSSOPPCF8523TS/1,112IC RTC CLK/CALENDAR I2C 14TSSOP0 - 即時供貨See Page for Pricing查看詳情
IC RTC CLOCK/CALENDAR I2C 8SOPCF8523T/1,118IC RTC CLOCK/CALENDAR I2C 8SO16495 - 即時供貨$10.52查看詳情
IC RTC CLK/CALENDAR I2C 8HVSONPCF8523TK/1,118IC RTC CLK/CALENDAR I2C 8HVSON701 - 即時供貨$12.24查看詳情
IC RTC CLK/CALENDAR I2C 14TSSOPPCF8523TS/1,118IC RTC CLK/CALENDAR I2C 14TSSOP17801 - 即時供貨$12.89查看詳情
IC RTC CLOCK/CALENDAR I2C 8SOPCF8563T/5,518IC RTC CLOCK/CALENDAR I2C 8SO21439 - 即時供貨$7.26查看詳情
IC RTC CLK/CALENDAR I2C 8TSSOPPCF8563TS/5,118IC RTC CLK/CALENDAR I2C 8TSSOP4085 - 即時供貨$10.12查看詳情
IC ADC/DAC 8BIT 11.1K 16DIPPCF8591P,112IC ADC/DAC 8BIT 11.1K 16DIP0 - 即時供貨See Page for Pricing查看詳情
IC ADC/DAC 8BIT 11.1K 16SOPCF8591T/2,518IC ADC/DAC 8BIT 11.1K 16SO0 - 即時供貨$37.45查看詳情
IC ADC/DAC 8BIT 11.1K 16SOPCF8591T/2,512IC ADC/DAC 8BIT 11.1K 16SO0 - 即時供貨See Page for Pricing查看詳情
IC CONTROLLER PARALLEL INTERFACEPCA9564D,112IC CONTROLLER PARALLEL INTERFACE0 - 即時供貨See Page for Pricing查看詳情
IC CTRL PARALLEL/I2C BUS 20TSSOPPCA9564PW,112IC CTRL PARALLEL/I2C BUS 20TSSOP0 - 即時供貨See Page for Pricing查看詳情
PTM Published on: 2011-06-22

Related Product Highlight

電壓位準轉換器 NXP 的電壓轉譯器可因應各種需要透過多個電壓域轉換 I²C 訊號，而無需直接控制的應用。
DAC7571 單通道 12 位元 DAC Texas Instruments 推出 DAC7571 2.7 V 至 5.5 V、I²C 介面 (僅接收器)、電壓輸出、12 位元數位類比轉換器。
TPS3808 微處理器監控電路 Texas Instruments 的 TPS3808 微處理器監控電路在 SENSE 引腳電壓降至低於 VIT 或手動重置驅動為低態時，就會送出重置訊號。

Related Articles and Blogs

溫度感測器的類型與設計技巧 溫度感測器是一種用來測量環境或物體溫度的元件，它們在各種應用中都扮演著重要的角色，從家用電器到工業控制系統都有廣泛應用，還可用於工業生產中的負責監控各種設備儀器，即時監測溫度的變化。 溫度感測器的種類多樣，且運作原理各自不同，以下 將介紹一些常見的溫度感測器的功能、特性及其運作原理。
邏輯位準轉換基本知識 主要的 5 V 邏輯加入更低的電壓標準，如 3.3 V、2.5 V、1.8 V 等，因此需要讓不匹配系統能進行通訊。
使用小型溫濕度感測器有效收集重要的環境數據 小型數位感測器有助於開發人員更輕鬆滿足新興應用對於準確溫濕度量測的要求。

Related Product Training Modules

Introduction to GPIO Expanders A simple, cost-effective way to monitor and control several peripheral microcontroller signals. Review specifications and product offerings from NXP.
Accurate Real Time Clock Series NXP accurate RTCs eliminate potential sourcing, layout, and manufacturing issues while improving time-keeping accuracy and reducing total number of components
Logic Packages NXP’s package offering for logic, analog switches and voltage translators.