_WriteRegister
return _WriteRegister(IETP_CONTROL, enable ? IETP_CTRL_ABSOLUTE : IETP_CTRL_STANDARD);
status_t _WriteRegister(uint16_t reg, uint16_t val);
result = _WriteRegister(RegEPDRL, sizeof(uint16), values);
status_t result = _WriteRegister(RegMAR, hashLength, hashTable);
result = _WriteRegister(RegMAR, hashLength, hashTable);
status_t _WriteRegister(uint8 reg, size_t size, uint8* buffer);