SX1503I091TRT

The SX1503I091TRT is a low-voltage GPIO expander from Semtech Corporation, designed to provide additional GPIO pins that can be controlled via I2C interface. It offers flexibility and convenience in expanding the I/O capabilities of microcontrollers and other devices with limited GPIO pins.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VCC: Power Supply
• GND: Ground
• SDA: I2C Serial Data Input/Output
• SCL: I2C Serial Clock Input
• RESET: Reset Input
• INT: Interrupt Output
• IO0-IO15: General Purpose Input/Output Pins

Circuit Diagram

Incorporate a circuit diagram that illustrates the connections and operation of the SX1503I091TRT GPIO expander for a more visual representation.

Key Features

• Low-Voltage Operation: The SX1503I091TRT operates at a low voltage, making it suitable for use in battery-powered applications.
• I2C Interface: It communicates with the host microcontroller or device via the I2C interface, simplifying the connection and control of additional GPIO pins.
• Programmable GPIO Pins: The SX1503I091TRT provides programmable GPIO pins that can be configured as inputs or outputs.
• Interrupt Functionality: It supports interrupt functionality, allowing the host to be notified of GPIO pin status changes.
• Compact Package: The SX1503I091TRT is available in a compact package, making it suitable for use in space-constrained applications.

Note: For detailed technical specifications, refer to the SX1503I091TRT datasheet.

Application

• Embedded Systems: The SX1503I091TRT is ideal for use in embedded systems requiring additional GPIO pins, such as sensor interfacing, LED control, and button inputs.
• Consumer Electronics: It can be used in consumer electronics devices, such as smart home devices, IoT (Internet of Things) devices, and wearables, to expand the I/O capabilities.
• Industrial Automation: The SX1503I091TRT is suitable for industrial automation applications requiring additional digital I/Os for controlling and monitoring equipment.

Functionality

The SX1503I091TRT GPIO expander provides a convenient and flexible solution for expanding the I/O capabilities of microcontrollers and other devices, offering ease of use and versatility in a compact package.

Usage Guide

• Power Supply: Connect VCC (Power Supply Pin) to the appropriate power supply voltage and GND (Ground Pin) to ground.
• I2C Interface: Connect the SDA and SCL pins to the I2C bus of the host microcontroller for communication.
• GPIO Configuration: Use the I2C interface to configure the GPIO pins as inputs or outputs, and set their logic levels.
• Interrupt Handling: Configure the SX1503I091TRT to generate an interrupt when a GPIO pin's status changes, if required.

Frequently Asked Questions

• Q: Can the SX1503I091TRT be used in battery-powered applications?

  • A: Yes, the SX1503I091TRT is suitable for battery-powered applications due to its low-voltage operation.

• Q: How many GPIO pins does the SX1503I091TRT provide?

  • A: The SX1503I091TRT provides 16 GPIO pins (IO0-IO15) that can be configured as inputs or outputs.

• Q: Does the SX1503I091TRT support interrupt functionality?

  • A: Yes, the SX1503I091TRT supports interrupt functionality for GPIO pin status changes.