8.4.9 Security Module (SECUMOD)
SECUMOD_GPSBR is dedicated to control SECUMOD-related analog objects used for alarms or backup supply safety:
- Enable/disable backup power switch (PWSBU) switching to VBAT on a SECUMOD autobackup event
- Selection of VDDCPU supply monitor (SMCPU) range (depending on the processor frequency mode)
- Selection of temperature monitor (TEMPMON) high alarm threshold (105°C/120°C typ)
- Selection of external interrupts EXT_IRQ0/EXT_IRQ1 for Automatic Backup mode protocol
Two independent peripheral IDs are available for either SECUMOD or SECURAM.
| Peripheral ID | Type | Security |
|---|---|---|
| ID_SECUMOD | User interface interrupt | Always Secure |
| ID_SECURAM | Interrupt only | Always Secure |
Refer to the section Security Module (SECUMOD) for more details.