How the I2C Bus Works - EEWeb

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Intelligent Platform Management Interface • Intel initiative in conjunction with hp, NEC and Dell to standardize the maintenance and monitoring of non hot swap server applications. • Consists of three specifications: – Intelligent Platform Management Interface (IPMI) for software extensions – Intelligent Platform Management Bus (IPMB) for intra-chassis (in side the box) extensions and is I 2 C based – Inter Chassis Management Bus (ICMB) for inter-chassis (outside of the box) extensions • Needed since as the complexity of systems increase, MTBF decreases • Defines a standardized, abstracted, message-based interface to intelligent platform management hardware. • Defines standardized records for describing platform management devices and their characteristics. • Provides a self monitoring capability increasing reliability of the systems • More information – www.intel.com/design/servers/ipmi/ipmi.htm Semiconductors 72
CompactPCI, AdvancedTCA and VME use IPMI Known as Specification Based on Comments cPCI PICMG 2.0 NA No IPMB cPCI PICMG 2.9 IPMI 1.5 Single hot swap IPMB optional AdvancedTCA PICMG 3.x IPMI 1.5 Dual redundant hot swap IPMB mandatory • IPMI is used as the basis for the management and monitoring of these hot swap telecom applications • PICMG 2.0: CompactPCI Core • PICMG 2.9: System Management • PICMG 3.0: AdvancedTCA Core • 3.1 Ethernet Star (1000BX and XAUI) • 3.2 InfiniBand® Star & Mesh • 3.3 StarFabric • 3.4 PCI Express • VME will use PICMG 2.9 specifications • AdvancedTCA tutorial > http://www.picmg.org/advancedTCA_Tutorial_0503.stm These systems will use the PCA9510/11/12/13/14 to help buffer capacitance and provide hot swap protection. Semiconductors 73
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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
Page 21 and 22: Device Overview Device Overview Sem
Page 23 and 24: 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: I 2 C Hot Swap Bus Buffer PCA9510/1
Page 75 and 76: Normal I 2 C P82B715 I 2 C Bus Exte
Page 77 and 78: 3.3/5V SCL 3.3/5 SDA Changing I 2 C
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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