How the I2C Bus Works - EEWeb

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Driving I 2 C bus signals long distances 3.3 -5V SCL 3.3-5V SDA Base Enclosure Remote Control Enclosure 12V P82B96 • Normal I 2 C logic levels (3.3 or 5 V) •I 2 C currents (3mA) 12V Long cables • Conventional CMOS logic levels (2-15V) • Higher current option, up to 30mA static sink Semiconductors 76 12V P82B96 • Normal I 2 C logic levels (3.3 or 5 V) •I 2 C currents (3mA)
3.3/5V SCL 3.3/5 SDA Changing I 2 C bus signals for multi-point applications! 12V P82B96 Link parking meters and pay stations 12V 12V Link vending machines to save cell phone links •-- •-- •-- •-- •-- P82B96 P82B96 P82B96 P82B96 SDA/SCL SDA/SCL SDA/SCL •-- •-- •-- •-- •-- •-- •-- •-- •-- •-- Warehouse pick/pack systems Twisted-pair telephone wires, USB or flat ribbon cables Up to 15V logic levels, Include V CC & GND NO LIMIT to <strong>the</strong> number of connected bus devices ! Semiconductors 77 3.3V SCL SDA • Factory automation • Access/alarm systems • Video, LCD & LED display signs • Hotel/motel management systems • Monitor emergency lighting/exit signs
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Interface Products Business Line Sp
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How the I 2 C Bus Works The I 2 C (
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Multi-Master Support How the I 2 C
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Typical Applications • Cell phone
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C++ Complex I 2 C Bus Arrangement H
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• Well known bus: I 2 C Bus Benef
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I 2 C Manufacturer Benefits • Sim
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I 2 C Product Characteristics • P
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I 2 C Bus Basics - Bus Operation Ty
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I2C by the numbers Standard-Mode Fa
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Device Overview Device Overview Sem
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Bus Controllers Bus Controllers Sem
Page 25 and 26: Application - Add I 2 C Bus Port µ
Page 27 and 28: Application - Add additional I 2 C
Page 29 and 30: Application - Convert 8 bits of par
Page 31 and 32: I 2 C Temperature Sensors - Industr
Page 33 and 34: APPLICATIONS • System thermal man
Page 35 and 36: Supply SDA SCL Sub address decoder
Page 37 and 38: Totem Pole Output I 2 C I/O Expande
Page 39 and 40: Totem Pole Output I 2 C I/O Expande
Page 41 and 42: 4-bit GPIO with Interrupt and Reset
Page 43 and 44: Sampling 16-bit GPIO with Interrupt
Page 45 and 46: Supply SDA SCL POR I 2 C-bus interf
Page 47 and 48: Frequency Duty Cycle PWM 0 256 PCA9
Page 49 and 50: Serial EEPROM Serial EEPROMS Semico
Page 51 and 52: 1024 X 8 CMOS Security EEPROM FEATU
Page 53 and 54: I2C C Bus I2C C INTERFACE / EEPROM
Page 55 and 56: I 2 C Bus Interrupt Out I 2 C Bus I
Page 57 and 58: I 2 C Switches: Voltage Level Shift
Page 59 and 60: I 2 C Multiplexers: Multi-card Appl
Page 61 and 62: PCA9541 - Multi-Point Application M
Page 63 and 64: PCA9541 - Gatekeeper Multiplexer
Page 65 and 66: I 2 C Multiplexers and Switches Sem
Page 67 and 68: I 2 C Bus repeater (PCA9515) and Hu
Page 69 and 70: Level Translation I 2 C Bus Buffer
Page 71 and 72: I 2 C Hot Swap Bus Buffer PCA9510/1
Page 73 and 74: CompactPCI, AdvancedTCA and VME use
Page 75: Normal I 2 C P82B715 I 2 C Bus Exte
Page 79 and 80: Changing I 2 C bus signals for Opto
Page 81 and 82: Segment Drivers Segment Drivers Sem
Page 83 and 84: A/D Converter A/D Converters Semico
Page 85 and 86: Roadmap Roadmap Semiconductors 85
Page 87 and 88: PCA9504A Other LED Driver and Blink
Page 89 and 90: MLP/HVQFN New Heat Sink Very Thin Q
Page 91 and 92: Combined I 2 C and UART Demo Board
Page 93 and 94: PCA9564 Demo Board Layout Semicondu
Page 95 and 96: PCA9551 LED Blinkers Win-I2CNT Inte
Page 97 and 98: I 2 C Device Data Sheets, IBIS mode
Page 99 and 100: I 2 C Sample Kit The I 2 C Sample K
Page 101: End Philips Semiconductors www.semi
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How the I2C Bus Works - EEWeb

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