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Configuring Port Expander MCP23S17

Requirement: Special hardware is connected via SPI.

The MCP23S17.project project contains an application where a port expander chip (MCP23S17) has been connected via SPI.

_rbp_projected_mcp23s17.png

In the device editor, you can configure which of the GPIO pins are used as inputs or outputs. You can also activate a pull-up resistor for the inputs. Depending on the assignment of the address IO pins, the hardware address has to be configured accordingly.

_rbp_projected_mcp23s17_configuration.png