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MCP23017-E/ML
Product Overview
Category
The MCP23017-E/ML belongs to the category of integrated circuits, specifically digital I/O expanders.
Use
It is used to provide additional input/output (I/O) ports for microcontrollers and other digital systems.
Characteristics
- 16-bit remote bidirectional I/O port
- High-speed I2C interface (operates at up to 1.7 MHz)
- Operating voltage range: 1.8V to 5.5V
- Low standby current
- 25mA sink/source capability per I/O
- ESD protection exceeds 4 kV HBM per JESD22-A114, 200V MM per JESD22-A115, and 1 kV CDM per JESD22-C101
Package
The MCP23017-E/ML comes in a 28-pin QFN package.
Essence
The essence of the MCP23017-E/ML lies in its ability to expand the I/O capabilities of microcontrollers and digital systems, providing flexibility and scalability in system design.
Packaging/Quantity
The MCP23017-E/ML is typically available in reels with a quantity of 2500 units per reel.
Specifications
- Number of I/O: 16
- Input voltage range: 0V to VDD
- Operating temperature range: -40°C to +125°C
- I2C bus frequency: 100 kHz, 400 kHz, 1.7 MHz
Detailed Pin Configuration
The MCP23017-E/ML features a total of 28 pins, including the I/O ports, power supply, and I2C interface pins. The pinout configuration is as follows:
| Pin Name | Description | |----------|-------------| | A0-A2 | Address select pins for I2C interface | | SDA | I2C serial data input/output | | SCL | I2C serial clock input | | INTA | Interrupt output for Port A | | INTB | Interrupt output for Port B | | VDD | Power supply voltage | | VSS | Ground | | GPA0-GPA7| General Purpose I/O for Port A | | GPB0-GPB7| General Purpose I/O for Port B |
Functional Features
The MCP23017-E/ML provides a simple and effective way to expand the I/O capabilities of a microcontroller using the I2C communication protocol. It allows for seamless integration of additional input and output devices, enhancing the overall functionality of the system.
Advantages and Disadvantages
Advantages
- Easy to use and integrate with existing systems
- Low standby current, suitable for battery-powered applications
- High-speed I2C interface for efficient data transfer
Disadvantages
- Limited to 16 I/O ports, may not be suitable for larger-scale applications
- Dependency on I2C communication protocol for control and data transfer
Working Principles
The MCP23017-E/ML operates by communicating with the host microcontroller or digital system through the I2C interface. It receives commands and data from the host and controls the I/O ports accordingly, allowing for seamless expansion of the system's input and output capabilities.
Detailed Application Field Plans
The MCP23017-E/ML is well-suited for various applications, including: - Home automation systems - Industrial control and monitoring - IoT (Internet of Things) devices - Robotics and automation - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models to the MCP23017-E/ML include: - MCP23S17-E/ML: Similar functionality but uses SPI interface instead of I2C - PCF8574: 8-bit I/O expander with I2C interface - MAX7311: 16-bit I/O expander with serial interface
In conclusion, the MCP23017-E/ML offers a versatile solution for expanding the I/O capabilities of microcontrollers and digital systems, making it an essential component in various electronic applications.
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Énumérez 10 questions et réponses courantes liées à l'application de MCP23017-E/ML dans les solutions techniques
What is the MCP23017-E/ML? The MCP23017-E/ML is a 16-bit I/O expander with I2C interface.
What are the key features of MCP23017-E/ML? The key features include 16-bit remote I/O port, high-speed I2C interface, and programmable interrupt output.
How can MCP23017-E/ML be used in technical solutions? MCP23017-E/ML can be used to expand the number of I/Os available to a microcontroller, making it suitable for applications requiring additional digital inputs or outputs.
What is the maximum frequency supported by MCP23017-E/ML? The maximum frequency supported by MCP23017-E/ML is 100 kHz.
Can MCP23017-E/ML be cascaded to increase the number of I/Os? Yes, multiple MCP23017-E/ML devices can be cascaded to expand the number of I/Os available in a system.
What voltage levels does MCP23017-E/ML support? MCP23017-E/ML supports both 3.3V and 5V operation.
Is MCP23017-E/ML suitable for industrial applications? Yes, MCP23017-E/ML is suitable for industrial applications due to its robust design and wide operating voltage range.
Does MCP23017-E/ML have built-in pull-up resistors? Yes, MCP23017-E/ML has configurable pull-up resistors on all I/O pins.
Can MCP23017-E/ML be used with Arduino? Yes, MCP23017-E/ML can be easily interfaced with Arduino using the I2C protocol.
Where can I find the datasheet for MCP23017-E/ML? The datasheet for MCP23017-E/ML can be found on the manufacturer's website or through authorized distributors.