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| UM10204 Datasheet, PDF (1/64 Pages) NXP Semiconductors – I2C-bus specification and user manual | |||
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UM10204
I2C-bus specification and user manual
Rev. 4 â 13 February 2012
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 I2C-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.
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