7 Appendix 3: Query Security
(Ask a Question)The following table lists each security lock bit and its features.
| Byte | Bit | Lock | Description |
|---|---|---|---|
| 0 | |||
| 0 | UL_DEBUG | Debug instructions disabled | |
| 1 | UL_SNVM_DEBUG | sNVM debug disabled | |
| 2 | UL_LIVEPROBE | Live probes disabled | |
| 3 | UJTAG_DISABLE | User JTAG interface disabled | |
| 4 | JTAG_BS_DISABLE | JTAG boundary scan disabled | |
| 5 | UL_TVS_MONITOR | External access to system Temperature and Voltage Sensor (TVS) disabled | |
| 6 | JTAG_MONITOR | JTAG fabric monitor enabled | |
| 7 | JTAG_TAP | JTAG TAP disabled | |
| 1 | |||
| 0 | UL_PLAINTEXT | Plain text passcode unlock disabled | |
| 1 | UL_FAB_PROTECT | Fabric erase/write disabled | |
| 2 | UL_EXT_DIGEST | External digest check disable | |
| 3 | UL_VERSION | Replay protection enabled | |
| 4 | UL_FACT_UNLOCK | Factory test disabled | |
| 5 | UL_IAP | IAP disabled | |
| 6 | UL_EXT_ZEROIZE | External zeroization disabled | |
| 7 | SPI_SLAVE_DISABLE | SPI port disabled | |
| 2-8 | Reserved | Reserved |