ETH_SA3H
EMAC_WRITE(ETH_SA3H, 0);
EMAC_WRITE(ETH_SA3H, (ias[1][4] << 8)
EMAC_WRITE(ETH_SA3H, (ias[2][4] << 8)
CEMAC_WRITE(ETH_SA3H, (ias[1][4] << 8)