I2C Datasheet(PDF) - A1454 - Allegro MicroSystems

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
Allegro MicroSystems	A1454	434Kb/15P	3V Hall Effect Linear Sensor with I2C Output
	A1332	979Kb/20P	Precision Hall Effect Angle Sensor IC with I2C Interface
	ALS31300	1Mb/25P	3-D Linear Hall-Effect Sensor with I2C Output and Advanced Low Power Management
	A8522	2Mb/65P	Wide Input Voltage, Fault Tolerant, Independently Controlled Multi-Channel LED Driver with I2C Interface
	ALS31313	1Mb/25P	Automotive Grade, 3-D Linear Hall-Effect Sensor with I2C Output and Advanced Low Power Management

I2C Datasheet, PDF

What is I2C

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