SN65HVD1476DGS

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The SN65HVD1476DGS is an interface driver, receiver, and transceiver used in communications protocol known as Inter-Integrated Circuit, or I2C. It is designed for use in a wide variety of applications including communication between controller and a slave device, such as an I/O port of a microcontroller, or between two microprocessors. It is tolerant to capacitive coupling between data and clock lines, operates at data rates up to 400Kbps and is able to detect bus failure.

The SN65HVD1476DGS includes a bi-directional I2C bus transceiver that consists of a bidirectional bus line driver, a receiver, and a flow control circuit. The driver includes a 7-bit address register, seven tri-state bidirectional buffer/drivers and an I2C interface logic. The receiver is a two-stage level translator that converts the differential I2C signal levels to single-ended signal levels for use by the logic.

The flow control circuit has a special \'flow control signal\' to signal a slave device when it is ready to receive data from the bus. The signal is also used by the master device to check if the slave device has control of the bus. This ensures that data is only transferred when the slave is ready to receive it.

The SN65HVD1476DGS has three ports - two connected to the I2C bus and one acting as an input/output port. The first port is used for data and clock signals. The second port is used for flow control and the third port is used to provide an \'enable\' signal to the device. The enable signal is used to activate the device when the device is not actively being used.

The device converts the I2C signals from differential to single-ended so that the I2C bus signals can be used by the controller. The device can also be used to isolate the controller from the master device. This is done by using the flow control circuit to control the data transfer on the bus. The device can also be used to provide logic level conversion between two controllers on the same bus.

The SN65HVD1476DGS is typically used in embedded systems applications where I2C bus is used to communicate between two or more controllers. It is also used in embedded network applications, such as communicating between separate specialized controllers in a distributed control system.

The working principle behind the SN65HVD1476DGS is fairly straightforward. The device uses an I2C bus transceiver to enable the communication between two or more controllers. It includes the bidirectional bus line driver, receiver, and flow control circuit. The driver and receiver convert the differential I2C signals to single-ended signals that can be used by the logic. The flow control circuit is used to ensure that data is only sent between the master and slave device when the slave is ready to receive it. Finally, the enable signal is used to activate the device when it is not actively being used.

The SN65HVD1476DGS is a powerful and versatile interface driver, receiver, and transceiver. It is tolerant to capacitive coupling between data and clock lines, operates at data rates up to 400Kbps, and is able to detect bus failure. It is used in a wide variety of applications and can be found in many embedded systems.

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