Key facts
- Brand
- Philips
- Model
- I2C
- Category
- Other Electronics
- Industry
- Electronics
- Documents
- 12
- Languages
- ZH · EN
- Last added
- 2026-10-26
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Philips I2C Bus Specification
This document is the official specification for the I2C (Inter-Integrated Circuit) bus, developed by Philips. It explains how the two-wire serial bus enables communication between integrated circuits in consumer electronics, telecommunications, and industrial applications. The specification covers the benefits for designers and manufacturers, including reduced pin counts and simplified PCB design. This manual is written in Chinese.
Read onlinePhilips I2C specifications
| Standard Mode Bit Rate | 100kbit/s |
|---|---|
| Fast Mode Bit Rate | 400kbit/s |
| High-Speed Mode Bit Rate | 3.4Mbit/s |
| Maximum Bus Capacitance | 400pF |
| Number of Bus Lines | Two (SDA and SCL) |
Source: Philips I2C Bus Specification
All Philips I2C documents by type
Ratings, dimensions and ordering codes, for selection and design work.
- Philips I2C Bus Specification 38 p
- Philips TEA0679T I2C-bus Controlled Dual Dolby B-type Noise Reduction Circuit Datasheet 40 p
- Philips TDA8822 Universal I2C-bus Programmable RF Modulator Datasheet 28 p
- philips TDA933xH series I2 C-bus controlled TV display processors handbook 56 p
- Philips TDA4841PS I2C‑bus Autosync Deflection Controller for PC Monitors Datasheet 60 p
- Philips PCF8582C-2 256‑x‑8‑bit CMOS EEPROM I2C‑bus Interface Datasheet 21 p
- Philips PCF8575 Remote 16-bit I/O Expander for I2C-bus Datasheet 24 p
- Philips TDA4857PS I2C-bus Autosync Deflection Controller Datasheet 56 p
- Philips TDA4853/TDA4854 I2C‑bus Autosync Deflection Controllers Datasheet 60 p
How to use the product for one specific task, with worked examples.
Questions answered in these manuals
What are the different I2C bus modes mentioned?
The document describes Standard Mode (100kbit/s), Fast Mode (400kbit/s), and High-Speed Mode (3.4Mbit/s).
What is the maximum number of devices allowed on the I2C bus?
The number of devices is limited by the maximum bus capacitance of 400pF.
What is the required Dolby reference level for correct operation?
The device operates correctly only if the 0 dB Dolby level is adjusted at 387.5 mV.
From: Philips TEA0679T I2C-bus Controlled Dual Dolby B-type Noise Reduction Circuit Datasheet
Can head switching and equalization time constant be controlled via separate pins?
Yes, these functions can be controlled via separate optional pins if required.
From: Philips TEA0679T I2C-bus Controlled Dual Dolby B-type Noise Reduction Circuit Datasheet
What are the available sound subcarrier frequencies?
The available frequencies are 4.5 MHz, 5.5 MHz, 6.0 MHz, and 6.5 MHz.
From: Philips TDA8822 Universal I2C-bus Programmable RF Modulator Datasheet
What is the modulation depth adjustment range?
The modulation depth can be adjusted from 72.5% to 90.0%.
From: Philips TDA8822 Universal I2C-bus Programmable RF Modulator Datasheet