PSC_ENETWR_CMD
psc_write_word(PSC_ENETWR_CMD + PSC_SET0, 0x1100);
psc_write_word(PSC_ENETWR_CMD + PSC_SET1, 0x1100);
psc_write_word(PSC_ENETWR_CMD + mp->tx_slot, 0x9800);
psc_write_word(PSC_ENETWR_CMD + mp->tx_sloti, 0x0100);