PCA9533D/01,118

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital I/O Expander
• Characteristics: Low-voltage 16-bit I2C-bus and SMBus I/O expander with interrupt output and configuration registers
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Provides additional digital input/output (I/O) pins for microcontrollers or other devices
• Packaging/Quantity: Available in tape and reel packaging, quantity depends on the supplier

Specifications

• Supply Voltage: 1.65V to 5.5V
• Number of I/O Pins: 16
• I2C-bus Interface: Compatible with I2C-bus and SMBus protocols
• Interrupt Output: Allows efficient communication between the PCA9533D/01,118 and the host device
• Configuration Registers: Enable customization of various features such as polarity inversion, input/output direction, and more

Detailed Pin Configuration

The PCA9533D/01,118 has a total of 16 pins. The pin configuration is as follows:

1. A0: Address Input Bit 0
2. A1: Address Input Bit 1
3. A2: Address Input Bit 2
4. INT: Interrupt Output
5. SDA: Serial Data Line
6. SCL: Serial Clock Line
7. P00: General Purpose I/O Pin 0
8. P01: General Purpose I/O Pin 1
9. P02: General Purpose I/O Pin 2
10. P03: General Purpose I/O Pin 3
11. P04: General Purpose I/O Pin 4
12. P05: General Purpose I/O Pin 5
13. P06: General Purpose I/O Pin 6
14. P07: General Purpose I/O Pin 7
15. P10: General Purpose I/O Pin 8
16. P11: General Purpose I/O Pin 9

Functional Features

• Provides additional digital I/O pins for microcontrollers or other devices
• Supports both input and output modes for each I/O pin
• Allows individual configuration of each pin's polarity inversion, input/output direction, and more
• Compatible with I2C-bus and SMBus protocols for easy integration into existing systems
• Interrupt output enables efficient communication between the PCA9533D/01,118 and the host device

Advantages and Disadvantages

Advantages: - Expand the number of I/O pins available for a microcontroller without using multiple GPIO pins - Flexible configuration options for each I/O pin - Compatible with popular communication protocols

Disadvantages: - Limited to 16 I/O pins, may not be sufficient for complex applications requiring a large number of I/Os - Requires knowledge of I2C-bus or SMBus protocols for proper integration

Working Principles

The PCA9533D/01,118 is an I2C-bus and SMBus compatible digital I/O expander. It communicates with the host device (e.g., microcontroller) through the I2C-bus interface. The host device can configure the behavior of each I/O pin by writing to the configuration registers of the PCA9533D/01,118.

The expander can be used to either provide additional inputs or outputs to the host device. Each I/O pin can be individually configured as an input or output, allowing flexibility in system design. The interrupt output pin provides a means for the host device to efficiently communicate with the expander.

Detailed Application Field Plans

The PCA9533D/01,118 can be used in various applications, including but not limited to:

1. Industrial automation: Expand the number of I/O pins available for controlling sensors, actuators, and other devices in industrial automation systems.
2. Home automation: Provide additional I/O pins for controlling lights, appliances, and other home automation devices.
3. Internet of Things (IoT): Enable connectivity and control of IoT devices with limited I/O capabilities.
4. Robotics: Expand the I/O capacity of microcontrollers used in robotics applications, allowing control of multiple sensors and actuators.

Detailed and Complete Alternative Models

1. PCA9533D/01,112: Similar to PCA9533D/01,118 but available in a different package (TSSOP).
2. PCA9533D/02,118: 16-bit I2C-bus and SMBus I/O expander with additional features such as programmable output polarity inversion and internal power-on reset.

Note: This entry provides an overview of the PCA9533D/01,118. For more detailed information, please refer to the datasheet provided by the manufacturer.

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