I2C Datasheet(PDF) - CXA2040AQ

What is I2C

I²C (Inter-Integrated Circuit) is a serial communication bus that allows communication between a single master and multiple slaves. Developed by Philips (now NXP Semiconductors), this protocol provides a simple yet efficient communication method and is widely used to transfer data between electronic components such as sensors, microcontrollers, and memory modules.

Key features of I²C
Two lines:

SDA (Serial Data Line): A line for data transmission.
SCL (Serial Clock Line): A line for transmitting clock signals.
These two wires are connected by a pull-up resistor, so all devices in the system share the wire.
Multimaster and multislave support:

Communication between multiple masters and multiple slave devices is possible, with each device having a unique address.
Addressing:

I²C devices can use 7-bit or 10-bit addresses. The 7-bit address scheme supports up to 128 unique devices.
speed:

Standard Mode: Up to 100 kbps.
Fast Mode: Up to 400 kbps.
Fast Mode Plus: Up to 1 Mbps.
High-Speed Mode: Up to 3.4 Mbps.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.

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Manufacturer	Part #	Datasheet	Description
Sony Corporation	CXA2040AQ	257Kb/21P	I2C Bus-Compatible Video Switch
	CXA2040Q	381Kb/22P	I2C Bus-Compatible Video Switch
	CXA1314P	287Kb/14P	VIDEO SWITCH COMPATIBLE WITH I2C BUS
	CXA1855Q	369Kb/19P	I2C BUS-COMPATIBLE AUDIO/VIDEO SWITCH
	CXA2022S	257Kb/16P	I2C Bus Sound Processor for TV
	CXA1845Q	390Kb/19P	I2C BUS-COMPATIBLE AUDIO/VIDEO SWITCH
	CXA2021S	274Kb/16P	I2C BUS Sound Processor for TV
	CXA1114P	367Kb/20P	AUDIO VIDEO SWITCH COMPATIBLE WITH I2C BUS
	CXA2078Q	568Kb/35P	I2C Bus-Compatible Audio/Video Switch with Electronic Volume
	CXA1315M	308Kb/11P	8-bit D/A Converter Supporting with I2C Bus
	CXA1875AP	171Kb/10P	8-bit D/A Converter Compatible with I2C Bus
	CXA7002R	424Kb/47P	I2C Bus Compatible Audio Video (AV) Switch & Electronic Volume Control
	CXA2161R	494Kb/43P	I2C Bus Compatible Audio Video (AV) Switch & Electronic Volume Control

I2C Datasheet, PDF

What is I2C

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