
Mini-ITX EMB-QM87A
Appendix E Electrical Specifications for I/O Ports D-9
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Boolean
SIOBitRead(byteLDN,byteRegister,byteBitNum){
ByteTmpValue;
SIOEnterMBPnPMode();
SIOSelectLDN(LDN);
IOWriteByte(SIOIndex,Register);
TmpValue=IOReadByte(SIOData);
TmpValue&=(1<<BitNum);
SIOExitMBPnPMode();
If(TmpValue==0)
Return0;
Return1;
}
VOID
ConfigToOutputMode(byteLDN,byteRegister ,byteBitNum){
ByteTmpValue,OutputEnableReg;
OutputEnableReg=Register‐1;
SIOEnterMBPnPMode();
SIOSelectLDN(LDN);
IOWriteByte(SIOIndex,OutputEnableReg);
TmpValue=IOReadByte(SIOData);
TmpValue|=(1<<BitNum);
IOWriteByte(SIOData,OutputEnableReg);
SIOExitMBPnPMode();
}
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