I2C/I2S,what's the difference???

Leolabs · 18th April 2005, 02:46 AM

Some1????

NickC · 18th April 2005, 05:31 AM

I2C
For communication between Micro C and sensors like dallas themperature sensors
I2S
Is for serial communication for dac use like the tda1541

macboy · 18th April 2005, 01:20 PM

I2C - Inter Integrated-circuit Communication. A two-wire (data + clock) bus used for low-speed (up to 400 kbit/s) communications between microcontrollers and other chips like other micros, sensors, eeproms, etc. Developed and standardised by Philips.

I2S - Inter Integrated-circuit Sound. Used for synchronous (clocked) serial communication of audio data between ADCs, DSPs, and DACs. This is not a bus, it is point-to-point, and it uses two clocks (bit clock and left/right or LR clock). There are several slightly different and very incompatible 'standards', which can make it tricky to just connect stuff together and expect it to talk.

18th April 2005, 02:46 AM	#1
Leolabs diyAudio Member Join Date: Dec 2004 Location: Bukit Mertajam	I2C/I2S,what's the difference??? Some1????

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18th April 2005, 05:31 AM	#2
NickC diyAudio Member Join Date: Dec 2001 Location: Earth	I2C For communication between Micro C and sensors like dallas themperature sensors I2S Is for serial communication for dac use like the tda1541

18th April 2005, 01:20 PM	#3
macboy diyAudio Member Join Date: Oct 2003 Location: Ottawa, Canada	I2C - Inter Integrated-circuit Communication. A two-wire (data + clock) bus used for low-speed (up to 400 kbit/s) communications between microcontrollers and other chips like other micros, sensors, eeproms, etc. Developed and standardised by Philips. I2S - Inter Integrated-circuit Sound. Used for synchronous (clocked) serial communication of audio data between ADCs, DSPs, and DACs. This is not a bus, it is point-to-point, and it uses two clocks (bit clock and left/right or LR clock). There are several slightly different and very incompatible 'standards', which can make it tricky to just connect stuff together and expect it to talk.

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