Philips 26PW8402137 User m User Manual download pdf

UM10204

I

2

C-bus specification and user manual

Rev. 6 — 4 April 2014 User manual

Document information

Info Content

Keywords I2C, I2C-bus, Standard-mode, Fast-mode, Fast-mode Plus, Fm+,

Ultra Fast-mode, UFm, High Speed, Hs, inter-IC, SDA, SCL, USDA, USCL

Abstract Philips Semiconductors (now NXP Semiconductors) developed a simple

bidirectional 2-wire bus for efficient inter-IC control. This bus is called the

Inter-IC or I

2

C-bus. Only two bus lines are required: a serial data line

(SDA) and a serial clock line (SCL). Serial, 8-bit oriented, bidirectional

data transfers can be made at up to 100 kbit/s in the Standard-mode, up to

400 kbit/s in the Fast-mode, up to 1 Mbit/s in the Fast-mode Plus (Fm+), or

up to 3.4 Mbit/s in the High-speed mode. The Ultra Fast-mode is a

uni-directional mode with data transfers of up to 5 Mbit/s.

1 2 ... 64

Summary of Contents

Page 1

UM10204I2C-bus specification and user manualRev. 6 — 4 April 2014 User manualDocument informationInfo ContentKeywords I2C, I2C-bus, Standard-mode, F

Page 2 - Contact information

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Page 3 - 1. Introduction

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Page 4 - C-bus applications

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Page 5

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Page 6 - 3. The I

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Page 7

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Page 8

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Page 9

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Page 10 - 002aac861

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Page 11 - NXP Semiconductors

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Page 12

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Page 13

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Page 14

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Page 15

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Page 16

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Page 17

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Page 18

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Page 19 - • A START byte (0000 0001)

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Page 20

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Page 21 - 002aab942

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Page 22

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Page 23 - C-bus protocol

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Page 24

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Page 25

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Page 26

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Page 27

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Page 28

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Page 29

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Page 30

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Page 31

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Page 32 - C-bus communications protocol

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Page 33 - • SMBus high power = 4 mA

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Page 34

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Page 35 - 5. Bus speeds

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Page 36

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Page 37 - 5.3.1 High speed transfer

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Page 38

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Page 39

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Page 40

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Page 41

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Page 42

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Page 45

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Page 46 - 5.4 Ultra Fast-mode

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Page 47

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Page 48

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Page 49

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Page 50 - 6.2 Hs-mode devices

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Page 51

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Page 52

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Page 53 - 6.3 Ultra Fast-mode devices

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Page 54

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Page 55 - 7.1 Pull-up resistor sizing

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Page 56 - 7.2.2 Higher drive outputs

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Page 57

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Page 58

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Page 59 - 7.4 Input leakage

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Page 60

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Page 61 - 8. Abbreviations

NXP SemiconductorsUM10204I2C-bus specification and user manual© NXP Semiconductors N.V. 2014. All rights reserved.For more information, please visit:

Page 62 - 9. Legal information

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Page 63 - 10. Contents

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Page 64

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