trigger register
ON | Configure whether or not start trace.\1: start trace \0: invalid\ |
OFF | Configure whether or not stop trace.\1: stop trace \0: invalid\ |
MEM_LOOP | Configure memory loop mode. \1: trace will loop wrtie trace_mem. \0: when mem_current_addr at mem_end_addr, it will stop at the mem_end_addr\ |
RESTART_ENA | Configure whether or not enable auto-restart.\1: enable\0: disable\ |