SWCU191 February 2022 CC1311P3 , CC1311R3 , CC2651P3 , CC2651R3 , CC2651R3SIPA
Table 7-5 lists the control and status registers in ICEPick.
Register | Abbreviation | Width | Number | Description |
---|---|---|---|---|
Data Shift register | DSR | 32 | 1 | TAP Data register |
Instruction register | IR | 6 | 1 | TAP Instruction register |
Bypass register | Bypass | 1 | 1 | Used by the BYPASS instruction |
Device Identification register | TAPID | 32 | 1 | Device ID used with IDCODE |
User Code register | UC | 32 | 1 | User Code used with USERCODE |
ICEPick Identification | IPID | 32 | 1 | Version of ICEPick |
Connect | Connect | 7 | 1 | Connect code |
Secondary Debug TAP register (SDTR) | SDTR | 24 | 1 | One register exists for each debug TAP instantiated. It is used to control selection, power, reset, and the clock associated with each TAP. |
Secondary Test TAP register (STTR) | STTR | 24 | 6 | One register exists for each test TAP instantiated. It is used to control selection of each TAP. |
Reserved | SUTR | 24 | 1 | Reserved |
Linking Mode | LMR | 24 | 1 | Specifies how ICEPick manages the TAP selection. |
ICEPick Control | IPCR | 24 | 1 | General ICEPick control |