SWCU192 November 2021 CC1312R7 , CC1352P7 , CC2652P7 , CC2652R7
| Bit | Field | Width | Type | Reset | Description |
|---|---|---|---|---|---|
| 23–4 | Reserved | 20 | R/W | 0x0 | Reserved |
| 3–1 | TAPLinkMode | 3 | R/W | 000 | See Table 7-17 |
| 0 | ActivateMode | 1 | R/W | 0 | When a 1 is written to this bit, the currently selected TAPLinkMode is activated. ICEPick links the TAPs according to these settings when the ICEPick TAP is advanced to Run‑Test/Idle with any opcode in the IR. |
| Value | Mode | Behavior |
|---|---|---|
| 000 | Always-first | ICEPick TAP always exists and is linked as the TAP closest to TDI. |
| 011 | Disappear-forever | When activated, the ICEPick TAP is no longer visible between the device TDI and TDO. Only a power-on reset makes the TAP visible again. |
| 001–010, 100–111 | Reserved | Reserved |