Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| NumberofI/O | 16 |
| Interface | I²C |
| InterruptOutput | Yes |
| Features | POR |
| OutputType | Push-Pull |
| Current-OutputSource/Sink | 25mA |
| ClockFrequency | 1.7 MHz |
| Voltage-Supply | 1.8V ~ 5.5V |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 28-SSOP (0.209, 5.30mm Width) |
Tổng quan
Description
The MCP23017T-E/SS is a versatile I/O expander from Microchip Technology, designed to enhance the input/output capabilities of microcontrollers via the I²C interface. It features 16 bidirectional I/O pins that can be individually configured as either input or output. This makes it ideal for applications needing additional digital I/O without complex circuitry.
The device operates on a voltage range from 1.8V to 5.5V, providing compatibility with most microcontroller voltage levels. It includes internal pull-up resistors, interrupt-on-change capability, and a configurable polarity inversion feature, adding flexibility and control to your designs.
Packaged in a space-efficient SSOP-28, the MCP23017T-E/SS is well-suited for compact designs. It's commonly used in applications like home automation, industrial control, and embedded systems requiring additional I/O ports. Efficient power management and robust communication make it a reliable choice for expanding your project's capabilities with minimal overhead.
The device operates on a voltage range from 1.8V to 5.5V, providing compatibility with most microcontroller voltage levels. It includes internal pull-up resistors, interrupt-on-change capability, and a configurable polarity inversion feature, adding flexibility and control to your designs.
Packaged in a space-efficient SSOP-28, the MCP23017T-E/SS is well-suited for compact designs. It's commonly used in applications like home automation, industrial control, and embedded systems requiring additional I/O ports. Efficient power management and robust communication make it a reliable choice for expanding your project's capabilities with minimal overhead.
Equivalent
The MCP23017T-E/SS is a 16-bit I/O expander with I2C interface. Equivalent products include:
1. PCF8575 by NXP, another 16-bit I/O expander using I2C.
2. MCP23S17 by Microchip, which is similar but uses an SPI interface.
3. TCA9535 by Texas Instruments, a 16-bit I/O expander with I2C interface.
4. PCA9555 by NXP, another I2C-based 16-bit I/O expander.
These alternatives offer similar functionality with variations in interface or features.
1. PCF8575 by NXP, another 16-bit I/O expander using I2C.
2. MCP23S17 by Microchip, which is similar but uses an SPI interface.
3. TCA9535 by Texas Instruments, a 16-bit I/O expander with I2C interface.
4. PCA9555 by NXP, another I2C-based 16-bit I/O expander.
These alternatives offer similar functionality with variations in interface or features.
Features
The MCP23017T-E/SS is a 16-bit I/O expander from Microchip Technology, interfaced via I2C. Key features include:
1. 16 I/O Pins: Configurable as inputs or outputs.
2. I2C Interface: Supports standard (100 kHz), fast (400 kHz), and high-speed (1.7 MHz) modes.
3. Addressability: Up to 8 devices can be connected on the same bus using three hardware address pins.
4. Interrupt Output: Provides interrupt-on-change capability on both I/O ports.
5. Input Polarity: Programmable input polarity inversion.
6. Internal Pull-up Resistors: Each pin has a configurable internal 100kΩ pull-up resistor.
7. High-Speed Control: Suitable for controlling multiple peripherals with minimal CPU overhead.
8. Operating Voltage: Operates from 1.8V to 5.5V.
9. Package: Comes in a 28-pin SSOP package.
The MCP23017T-E/SS is ideal for applications requiring additional I/O, such as home automation, consumer electronics, and industrial equipment. Its flexibility and ease of use make it popular for expanding microcontroller I/O capabilities.
1. 16 I/O Pins: Configurable as inputs or outputs.
2. I2C Interface: Supports standard (100 kHz), fast (400 kHz), and high-speed (1.7 MHz) modes.
3. Addressability: Up to 8 devices can be connected on the same bus using three hardware address pins.
4. Interrupt Output: Provides interrupt-on-change capability on both I/O ports.
5. Input Polarity: Programmable input polarity inversion.
6. Internal Pull-up Resistors: Each pin has a configurable internal 100kΩ pull-up resistor.
7. High-Speed Control: Suitable for controlling multiple peripherals with minimal CPU overhead.
8. Operating Voltage: Operates from 1.8V to 5.5V.
9. Package: Comes in a 28-pin SSOP package.
The MCP23017T-E/SS is ideal for applications requiring additional I/O, such as home automation, consumer electronics, and industrial equipment. Its flexibility and ease of use make it popular for expanding microcontroller I/O capabilities.
Pinout
The MCP23017T-E/SS is a 16-bit I/O expander with an I²C interface. It comes in a 28-pin SSOP package. The pin functions include:
- I²C Interface Pins: SDA (Serial Data Line) and SCL (Serial Clock Line) for communication.
- Power and Ground Pins: VDD for power supply and VSS for ground.
- Interrupt Pins: INT A and INT B for interrupt output from each port.
- Reset Pin: RESET for resetting the device.
- Address Pins: A0, A1, A2 for setting the I²C address.
- I/O Port Pins: GPA0-GPA7 and GPB0-GPB7 for general-purpose I/O pins, organized into two 8-bit ports (Port A and Port B).
This device allows for easy expansion of I/O capabilities in microcontroller-based systems. Each pin can be configured as either an input or an output, with built-in pull-up resistors and interrupt-on-change capabilities.
- I²C Interface Pins: SDA (Serial Data Line) and SCL (Serial Clock Line) for communication.
- Power and Ground Pins: VDD for power supply and VSS for ground.
- Interrupt Pins: INT A and INT B for interrupt output from each port.
- Reset Pin: RESET for resetting the device.
- Address Pins: A0, A1, A2 for setting the I²C address.
- I/O Port Pins: GPA0-GPA7 and GPB0-GPB7 for general-purpose I/O pins, organized into two 8-bit ports (Port A and Port B).
This device allows for easy expansion of I/O capabilities in microcontroller-based systems. Each pin can be configured as either an input or an output, with built-in pull-up resistors and interrupt-on-change capabilities.
Manufacturer
The MCP23017T-E/SS is manufactured by Microchip Technology Inc. Microchip Technology is a leading American semiconductor company that develops microcontroller, mixed-signal, analog, and Flash-IP integrated circuits. Founded in 1989 and headquartered in Chandler, Arizona, Microchip serves a wide range of industries including automotive, aerospace, consumer electronics, and industrial applications. The company is known for its broad portfolio of microcontroller and analog devices, which are used in embedded control applications. Microchip has a strong focus on providing quality, reliable, and innovative solutions to meet the needs of various electronic applications.
Application
The MCP23017T-E/SS is a versatile I/O expander used in various applications where additional I/O ports are needed. Key application areas include:
1. Microcontroller Expansion: Adds more I/O pins to microcontrollers for increased functionality.
2. Consumer Electronics: Used in devices like home automation systems and gaming consoles.
3. Industrial Control: Helps interface with sensors, actuators, and other peripherals in control systems.
4. Embedded Systems: Ideal for prototyping and development of complex embedded systems.
5. LED and Display Control: Manages LED matrices and display units.
6. Home Automation: Supports smart home devices with expanded control options.
7. Robotics: Enables control of motors, sensors, and other components in robotic systems.
Its I2C interface and 16-bit I/O port expansion make it suitable for these applications.
1. Microcontroller Expansion: Adds more I/O pins to microcontrollers for increased functionality.
2. Consumer Electronics: Used in devices like home automation systems and gaming consoles.
3. Industrial Control: Helps interface with sensors, actuators, and other peripherals in control systems.
4. Embedded Systems: Ideal for prototyping and development of complex embedded systems.
5. LED and Display Control: Manages LED matrices and display units.
6. Home Automation: Supports smart home devices with expanded control options.
7. Robotics: Enables control of motors, sensors, and other components in robotic systems.
Its I2C interface and 16-bit I/O port expansion make it suitable for these applications.
Package
The MCP23017T-E/SS is packaged in a 28-pin SSOP (Shrink Small Outline Package). This surface-mount package is compact and suitable for various applications, providing 16-bit I/O expansion for microcontrollers.
