| Field Name | Bits | Type | Reset Value | Description |
|---|
| Reserved | 63:4 | razRead as zero | 0x0 | reserved |
| trace_no_atb | 3 | rwNormal read/write | 0x0 | When set, trace packet is not delivered out of ATB, and FIFO entry holds the first trace packet |
| sample_profile_enable | 2 | rwNormal read/write | 0x0 | Enables sample profile function |
| trace_tag_enable | 1 | rwNormal read/write | 0x0 | Watchpoint trace tag enable 1b1: Trace tag enabled 1b0: No trace tag |
| dtm_enable | 0 | rwNormal read/write | 0x0 | Enables debug watchpoint and PMU function; prior to writing this bit, all other DT configuration registers must be programmed; once this bit is set, other DT configuration registers must not be modified |