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MCP23S17-E/ML

Name: MCP23S17-E/ML
Rating: 4.7 (12 reviews)

IC I/O EXPANDER SPI 16B 28QFN

Производитель
Мфр. Часть #MCP23S17-E/ML
Пакет QFN-28
Лист данных
В наличии2733

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Спецификации

Package	Tube
ProductStatus	Active
NumberofI/O	16
Interface	SPI
InterruptOutput	Yes
Features	POR
OutputType	Push-Pull
Current-OutputSource/Sink	25mA
ClockFrequency	10 MHz
Voltage-Supply	1.8V ~ 5.5V
OperatingTemperature	-40°C ~ 125°C
MountingType	Surface Mount
Package/Case	28-VQFN Exposed Pad

Обзор

Description

The MCP23S17-E/ML is a 16-bit I/O expander that communicates via the SPI (Serial Peripheral Interface) protocol, allowing for the expansion of GPIO pins in microcontroller applications. Each of its 16 pins can be configured as input or output, making it versatile for various digital interfacing needs. It features built-in pull-up resistors, interrupt-on-change capabilities, and multiple device addressing, supporting up to eight devices on the same SPI bus.
With a supply voltage range of 1.8V to 5.5V, the MCP23S17-E/ML is suitable for a wide range of applications, including LED control, button interfaces, and sensor integration. It is available in a compact 28-pin SSOP package, making it ideal for space-constrained designs. This device is particularly useful for microcontrollers with limited GPIO availability, enhancing overall functionality and expanding the system's capabilities efficiently.

Features

The MCP23S17-E/ML is a 16-bit I/O expander that communicates with microcontrollers via the Serial Peripheral Interface (SPI). Key features include:
1. 16 GPIO Pins: Configurable as input or output for versatile applications.
2. SPI Interface: Supports up to 10 Mbps data rate, facilitating fast communication.
3. Multiple Devices: Can connect up to 8 devices on the same SPI bus using different chip select pins.
4. Interrupt Capabilities: Provides interrupt output for input state changes, enhancing responsiveness.
5. Programmable Pull-up Resistors: Integrated pull-up resistors can be enabled for input pins, simplifying circuit design.
6. Addressing: Configurable hardware address pins (A0, A1, A2) allow for easy multi-device configuration.
7. Wide Voltage Range: Operates from 1.8V to 5.5V, making it suitable for a variety of power supply levels.
8. Low Power Consumption: Designed for energy-efficient applications.
These features make the MCP23S17-E/ML ideal for expanding GPIO capabilities in microcontroller projects.

Package

The MCP23S17-E/ML comes in a 28-pin SSOP (Shrink Small Outline Package) type package.

Pinout

The MCP23S17-E/ML is a 16-bit I/O expander that communicates via the SPI interface. It has a total of 28 pins.
Pin Count and Functions:
- VDD (Pin 1): Power supply.
- VSS (Pin 28): Ground.
- SCLK (Pin 2): Serial clock input.
- SI (Pin 3): Serial input for data (MOSI).
- SO (Pin 4): Serial output for data (MISO).
- CS (Pin 5): Chip select (active low).
- GPIO Pins (Pins 6-21): Configurable as input or output (16 total).
- INTA (Pin 22): Interrupt output for GPIO A.
- INTB (Pin 23): Interrupt output for GPIO B.
- RESET (Pin 24): Reset input.
- A0, A1, A2 (Pins 25-27): Address selection pins for multiple devices on the same bus.
This chip allows for additional GPIOs to be added to microcontrollers, making it useful in various applications requiring more input/output lines.

Manufacturer

The MCP23S17-E/ML is manufactured by Microchip Technology Inc., a leading semiconductor company based in Chandler, Arizona, USA. Microchip specializes in developing microcontrollers, memory, analog, and interface devices, catering primarily to the embedded systems market. The MCP23S17-E/ML is a 16-bit I/O expander that communicates via the SPI interface, allowing users to increase the number of input/output pins available to microcontrollers. Microchip serves a diverse range of industries, including automotive, industrial automation, consumer electronics, and telecommunications, providing innovative solutions for embedded applications.

Application

The MCP23S17-E/ML is a 16-bit I/O expander with SPI interface, commonly used in embedded systems for expanding GPIO capabilities. Its application areas include controlling LEDs, buttons, and sensors, interfacing with displays, and managing communication with various peripherals in robotics, automation, and Internet of Things (IoT) devices. It is also utilized in home automation systems and for adding additional I/O ports in microcontroller projects.

Equivalent

The MCP23S17-E/ML is a 16-bit I/O expander with SPI interface. Equivalent products include:
1. MCP23S17-I/SL: Same functionality with different packaging.
2. MCP23017: I²C interface version.
3. PCA9535: 16-bit I/O expander with I²C interface.
4. TCA9555: 16-bit I/O expander, also I²C-based.
These alternatives may vary in communication interface and specific features, so check datasheets for compatibility.

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