Asus AAEON COM-BYTC2 User Manual page 89

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VOID ECB RAMWriteByte(byte OPReg, byte OPBit, byte Value){
IOWriteByte(EcBRAMIndex, 0x10);
IOWriteByte(EcBRAMData, BRAMLDNReg);
IOWriteByte(EcBRAMIndex, 0x11);
IOWriteByte(EcBRAMData, BRAMFnDataReg);
IOWriteByte(EcBRAMIndex, 0x13 + OPReg);
IOWriteByte(EcBRAMData, Value);
IOWriteByte(EcBRAMIndex, 0x12);
IOWriteByte(EcBRAMData, 0x30);
}
Byte ECBRAMReadByte(byte FnDataReg, byte OPReg){
IOWriteByte(EcBRAMIndex, 0x10);
IOWriteByte(EcBRAMData, BRAMLDNReg);
IOWriteByte(EcBRAMIndex, 0x11);
IOWriteByte(EcBRAMData, FnDataReg);
IOWriteByte(EcBRAMIndex, 0x12);
IOWriteByte(EcBRAMData, 0x10);
IOWriteByte(EcBRAMIndex, 0x13 + OPReg);
Return IOReadByte(EcBRAMData, Value);
}
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Appendix C – Programming Digital I/O
//Write start
//Read start
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