SH_ESR
event_reg = SH_ESR;
edma_shadow0_read_array(ecc, SH_ESR, idx));
edma_shadow0_write_array(ecc, SH_ESR, idx, ch_bit);
edma_shadow0_write_array(ecc, SH_ESR, idx, ch_bit);
edma_shadow0_read_array(ecc, SH_ESR, idx));