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Chip address
Source position: mcp23017.pas line 122
public property TMCP23X17Controller.Address : Byte |
MCP23017 and MCP23S17 have 3 address pins, MCP23018 and MCP23S18 have 1 address pin biasing the last three bits of the chip's internal address. The SPI devices don't use addresses; this must be enabled in the IOCON register.
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Hardware Address Enable |
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Input/Output Configuration |