/* Enable the MAC Back Pressure operation activation (Half-duplex only).  */
void ETH_EnableBackPressureActivation(void)
/* Enable the MAC Back Pressure operation activation (Half-duplex only).  */
void ETH_EnableBackPressureActivation(void)
{
    ETH->FCTRL_B.FCTRLB = SET;
    ETH_Delay(ETH_REG_WRITE_DELAY);
}