MCP23008		KEYWORD1
writeIODIR		KEYWORD2
writeIPOL		KEYWORD2
writeOLINTEN	KEYWORD2
writeDEFVAL		KEYWORD2
writeOLPU		KEYWORD2
writeOLIO		KEYWORD2
writeOLAT		KEYWORD2
readIODIR		KEYWORD2
readIPOL		KEYWORD2
readOLINTEN		KEYWORD2
readDEFVAL		KEYWORD2
readOLPU		KEYWORD2
readINTF		KEYWORD2
readINTCAP		KEYWORD2
readOLIO		KEYWORD2
readOLAT		KEYWORD2