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MCP23017-E/ML

MCP23017-E/ML

Manufacturer No:

MCP23017-E/ML

Manufacturer:

Microchip Technology

Description:

IC XPNDR 1.7MHZ I2C 28QFN

Datasheet:

Datasheet

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MCP23017-E/ML Specifications

  • Type
    Parameter
  • Supplier Device Package
    28-QFN (6x6)
  • Package / Case
    28-VQFN Exposed Pad
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -40°C ~ 125°C
  • Voltage - Supply
    1.8V ~ 5.5V
  • Clock Frequency
    1.7 MHz
  • Current - Output Source/Sink
    25mA
  • Output Type
    Push-Pull
  • Features
    POR
  • Interrupt Output
    Yes
  • Interface
    I²C
  • Number of I/O
    16
  • DigiKey Programmable
    Not Verified
  • Packaging
    Tube
  • Product Status
    Active
  • Series
    -
The MCP23017-E/ML is an integrated circuit chip that provides general-purpose input/output (GPIO) expansion for microcontrollers or microprocessors. Here are some advantages and application scenarios of the MCP23017-E/ML:Advantages: 1. Increased I/O Ports: The MCP23017-E/ML chip offers 16 additional I/O ports, which can be used to expand the limited number of GPIO pins available on microcontrollers or microprocessors. 2. Easy Interface: It communicates with the host microcontroller using the I2C protocol, which requires only two wires for communication, making it simple to interface with various microcontrollers. 3. Configurable Pins: Each I/O port can be individually configured as an input or output, allowing flexibility in designing systems with different requirements. 4. Interrupt Capability: The MCP23017-E/ML supports interrupt-on-change, which means it can generate an interrupt signal to the microcontroller when any of the configured pins change their state. This feature can be useful for applications that require real-time response to external events.Application Scenarios: 1. Expanding GPIO Pins: The primary application of the MCP23017-E/ML is to expand the number of available GPIO pins on microcontrollers or microprocessors. It is commonly used in projects where the number of I/O ports required exceeds the available pins on the main controller. 2. Keypad or Button Matrix: The MCP23017-E/ML can be used to interface with a keypad or button matrix, where multiple buttons or keys need to be read using a limited number of microcontroller pins. Each button can be connected to an individual I/O port, and the MCP23017-E/ML can detect button presses and communicate them to the microcontroller. 3. LED Control: It can be used to control multiple LEDs using a few microcontroller pins. Each LED can be connected to an output port, and the MCP23017-E/ML can be programmed to turn on or off the LEDs as required. 4. Sensor Interface: The MCP23017-E/ML can be used to interface with various sensors that require digital input or output. It allows connecting multiple sensors to the microcontroller using a single I2C bus, reducing the number of required pins on the microcontroller.Overall, the MCP23017-E/ML chip provides a convenient and flexible solution for expanding the I/O capabilities of microcontrollers or microprocessors, enabling the design of more complex systems with a higher number of input and output devices.
MCP23017-E/ML Relevant information