MCP23017 SERIAL INTERFACE MODULE

The CJMCU-2317 MCP23017 Serial Interface Module is an advanced I/O expander that provides 16 additional input/output pins via I²C or SPI communication. This module is widely used in applications where additional GPIO pins are required for microcontrollers. It is ideal for projects involving automation, robotics, and embedded systems, where pin expansion is necessary without sacrificing performance.

Key Features of CJMCU-2317 MCP23017 Serial Interface Module:

• • 16-Bit I/O Expansion: Offers 16 additional GPIO pins.
  • I²C/SPI Interface: Compatible with both I²C and SPI communication protocols.
  • Interrupt Output: Configurable interrupt pins for edge or level-triggered inputs.
  • High-Speed Communication: Supports I²C speeds up to 1.7 MHz and SPI speeds up to 10 MHz.
  • Flexible Pin Configuration: Each pin can be individually configured as input or output.

Technical Specifications of CJMCU-2317 MCP23017 Serial Interface Module:

• • Operating Voltage: 1.8V to 5.5V
  • Communication Interface: I²C (up to 1.7 MHz), SPI (up to 10 MHz)
  • Number of I/O Pins: 16
  • Interrupt Pins: 2
  • Package Type: DIP-28
  • Operating Temperature: -40°C to +125°C

Mechanical Specifications of CJMCU-2317 MCP23017 Serial Interface Module:

• • Module Dimensions: Approximately 30mm x 20mm x 5mm
  • Weight: Approximately 3 grams

Mounting Options:

• • PCB Mount: Designed for direct mounting on PCBs using standard headers.
  • Prototype Boards: Can be used with breadboards and prototype boards for development.

Schematic Diagram, Connection, Wiring, and Pinout of CJMCU-2317 MCP23017 Serial Interface Module:

• • Pin Configuration:
    • VCC: Power supply (1.8V to 5.5V)
    • GND: Ground connection
    • SDA: I²C data line
    • SCL: I²C clock line
    • MOSI: SPI master out slave in
    • MISO: SPI master in slave out
    • SCK: SPI clock
    • CS: SPI chip select
    • GP0-GP15: General-purpose I/O pins
  • Connection: Connect VCC and GND to the power supply, SDA and SCL for I²C or MOSI, MISO, SCK, and CS for SPI communication. Connect GP0-GP15 to the respective I/O devices.
  • Wiring: Ensure proper and secure connections to avoid communication errors.

Datasheet of CJMCU-2317 MCP23017 Serial Interface Module:

• • For detailed technical information, refer to the datasheet provided by the manufacturer or distributor of the CJMCU-2317 MCP23017 Serial Interface Module.

Applications of CJMCU-2317 MCP23017 Serial Interface Module:

• • Home Automation: Expanding I/O capabilities for smart home devices.
  • Industrial Control: Additional I/O for industrial automation systems.
  • Robotics: Control multiple actuators and sensors in robotic projects.
  • Embedded Systems: Increasing GPIO availability for complex embedded systems.
  • Prototyping: Ideal for expanding I/O in prototypes and development boards.

Equivalent of CJMCU-2317 MCP23017 Serial Interface Module:

• • PCF8575: 16-bit I²C I/O expander with similar functionality.
  • MCP23S17: SPI version of the MCP23017 with similar features.
  • 74HC595: 8-bit serial-to-parallel shift register for expanding I/O.

Keywords for CJMCU-2317 MCP23017 Serial Interface Module:

• • MCP23017 Serial Interface Module
  • I²C GPIO Expander
  • SPI I/O Expander
  • Microcontroller Pin Expansion
  • 16-Bit I/O Expander

Package Includes:

• • 1 x CJMCU-2317 MCP23017 Serial Interface Module