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Port Expander Board View larger
Port Expander Board

Port Expander Board


24 g


Suggested substitutes:

The Port Expander Board is an accessory board that includes a 16-bit I/O expander MCP23S17. This expander employs SPI(tm) clock up to 10 MHz. The board is ideal for expanding number of microcontroller pins on your prototype device.

More details

Board includes a 16-bit I/O expander MCP23S17 with SPI clock speeds up to 10 MHz for higher throughput applications. Three HARDWARE ADDRESS SELECTION jumpers allow you to configure board’s address and connect up to eight devices on the bus. Controller also supports interrupt-on-change feature. Port expander board is convenient for adding 16 GPIO pins to your device.


Type Port expander
Applications Board is ideal for saving microcontroller pins, and expanding the number of input-output lines
On-board modules 16-bit I/O expander MCP23S17
Key Features SPI clock speeds up to 10 MHz. 16 GPIO pins divided into two 8-bit PORTs.
Key Benefits IDC10 headers simplify connections.
Interface SPI
Input Voltage 5V
Compatibility IDC10

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