AXIOMTEK CEM521 User Manual page 64

8th generation intel core i7/i5/i3 and celeron processors com express type 6 compact module

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CEM521 COM Express

// Set DIO High/Low,1:High,0:Low,now is set to BIT0-BIT3 is Low,BIT4-BIT7 is

// High

outportb(AXIOM_DIO_HIGH_LOW_ADDR, DIO_DefaultHighLowSetting);

printf("DIO High/Low set to 0x%X \n", DIO_DefaultHighLowSetting);

printf("BIT0-BIT3 is set to input so do not care,BIT4-BIT7 is setting to High");

while(1);

}

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Type 6 Module

Digital I/O

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