Set peripheral bits to 1 to mark as privileged access only
| LETIMER0 | LETIMER0 Privileged Access |
| IADC0 | IADC0 Privileged Access |
| ACMP0 | ACMP0 Privileged Access |
| ACMP1 | ACMP1 Privileged Access |
| I2C0 | I2C0 Privileged Access |
| HFRCOEM23 | HFRCOEM23 Privileged Access |
| WDOG0 | WDOG0 Privileged Access |
| WDOG1 | WDOG1 Privileged Access |
| AMUXCP0 | AMUXCP0 Privileged Access |
| RADIOAES | RADIOAES Privileged Access |
| BUFC | BUFC Privileged Access |
| SMU | SMU Privileged Access |
| AHBRADIO | AHBRADIO Privileged Access |
| SEMAILBOX | SE MAILBOX Privileged Access |