TC_3000_500_IMR_WRITE
*(volatile u_int32_t *)TC_3000_500_IMR_WRITE = tc_3000_500_imask;
*(volatile u_int32_t *)TC_3000_500_IMR_WRITE = tc_3000_500_imask;
*(volatile u_int32_t *)TC_3000_500_IMR_WRITE = tc_3000_500_imask;