Imagens apenas para referência
MCP23017T-E/SS
+Lista de MateriaisIC I/O EXPANDER 16BIT I2C 28SSOP
-
FabricanteTecnologia Microchip
-
Peça do Fabricante #MCP23017T-E/SS
-
Pacote SSOP-28
-
Em Estoque7107
365 Garantia de Qualidade em 1 dia
7*24 Garantia de serviço em 24 horas
90-Garantia de pós-venda em 1 dia
Garantia de Produto Genuíno
Especificações
| Atributo | Valor |
| 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) |
Visão Geral
Description
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
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
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
- 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
Application
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.