EPCOM_READ
while(!ISSET(EPCOM_READ(Flag), Flag_TXFE));
while(!ISSET(EPCOM_READ(Flag), Flag_RXFE));
return (EPCOM_READ(Data) & 0xff);
while(ISSET(EPCOM_READ(Flag), Flag_TXFF));
while(!ISSET(EPCOM_READ(Flag), Flag_TXFE));