Set peripheral bits to 1 to mark as privileged access only.
| DCDC | DCDC Privileged Access |
| PDM | PDM Privileged Access |
| SMU | SMU Privileged Access |
| SMUCFGNS | SMUCFGNS Privileged Access |
| RTCC | RTCC Privileged Access |
| LETIMER0 | LETIMER0 Privileged Access |
| IADC0 | IADC0 Privileged Access |
| I2C0 | I2C0 Privileged Access |
| WDOG0 | WDOG0 Privileged Access |
| AMUXCP0 | AMUXCP0 Privileged Access |
| EUART0 | EUART0 Privileged Access |
| CRYPTOACC | CRYPTOACC Privileged Access |