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MCP23017 Datasheet (PDF) - Microchip Technology

MCP23017 Datasheet PDF - Microchip Technology
Part # MCP23017
Download  MCP23017 Download

File Size   947.65 Kbytes
Page   48 Pages
Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology
Description 16-Bit I/O Expander with Serial Interface

MCP23017 Datasheet (PDF)

Go To PDF Page Download Datasheet
MCP23017 Datasheet PDF - Microchip Technology

Part # MCP23017
Download  MCP23017 Click to download

File Size   947.65 Kbytes
Page   48 Pages
Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology
Description 16-Bit I/O Expander with Serial Interface

MCP23017 Datasheet (HTML) - Microchip Technology

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MCP23017 Product details

DEVICE OVERVIEW

The MCP23017/MCP23S17 (MCP23X17) device family provides 16-bit, general purpose parallel I/O expansion for I2C bus or SPI applications. The two devices differ only in the serial interface:

• MCP23017 – I2C interface

• MCP23S17 – SPI interface



The MCP23X17 consists of multiple 8-bit configuration registers for input, output and polarity selection. The system master can enable the I/Os as either inputs or outputs by writing the I/O configuration bits (IODIRA/B).

The data for each input or output is kept in the corresponding input or output register. The polarity of the Input Port register can be inverted with the Polarity Inversion register. All registers can be read by the system master.



Features

• 16-Bit Remote Bidirectional I/O Port:

   - I/O pins default to input

• High-Speed I2C Interface (MCP23017):

   - 100 kHz

   - 400 kHz

   - 1.7 MHz

• High-Speed SPI Interface (MCP23S17):

   - 10 MHz (maximum)

• Three Hardware Address Pins to Allow Up to Eight Devices On the Bus

• Configurable Interrupt Output Pins:

   - Configurable as active-high, active-low or open-drain

• INTA and INTB Can Be Configured to Operate Independently or Together

• Configurable Interrupt Source:

   - Interrupt-on-change from configured register defaults or pin changes

• Polarity Inversion Register to Configure the Polarity of the Input Port Data

• External Reset Input

• Low Standby Current: 1 µA (max.)

• Operating Voltage:

   - 1.8V to 5.5V @ -40°C to +85°C

   - 2.7V to 5.5V @ -40°C to +85°C

   - 4.5V to 5.5V @ -40°C to +125°C



 




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About Microchip Technology


Microchip Technology is an American semiconductor company that was founded in 1989.
The company provides a wide range of microcontrollers, analog, memory, and security products for various applications in the automotive, industrial, and consumer markets.
Microchip is one of the largest microcontroller suppliers in the world and is known for its expertise in low-power design and its focus on energy-saving technologies.
The company also provides development tools and software to help customers design and prototype their products.
Microchip has operations in over 70 countries and its products are used in a wide range of applications.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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