SEC0=B_0x0, SEC7=B_0x0, SEC6=B_0x0, WKUPSEC1=B_0x0, SEC2=B_0x0, WKUPSEC3=B_0x0, WKUPSEC4=B_0x0, WKUPSEC2=B_0x0, SEC5=B_0x0, SEC4=B_0x0, SEC3=B_0x0, SEC1=B_0x0
PWR security configuration register
| SEC0 | System supply configuration secure protection 0 (B_0x0): PWR_CR1 can be read and written with secure or non-secure access. 1 (B_0x1): PWR_CR1 can be read and written only with secure access. |
| SEC1 | Programmable voltage detector secure protection 0 (B_0x0): PWR_CR2 can be read and written with secure or non-secure access. 1 (B_0x1): PWR_CR2 can be read and written only with secure access. |
| SEC2 | Vless thansub>DDCOREless than/sub> monitor secure protection 0 (B_0x0): PWR_CR3 can be read and written with secure or non-secure access. 1 (B_0x1): PWR_CR3 can be read and written only with secure access. |
| SEC3 | I-TCM, D-TCM, and I-TCM FLEXMEM low power control secure protection 0 (B_0x0): PWR_CR4 can be read and written with secure or non-secure access. 1 (B_0x1): PWR_CR4 can be read and written only with secure access. |
| SEC4 | Voltage scaling selection secure protection 0 (B_0x0): PWR_VOSCR can be read and written with secure or non-secure access. 1 (B_0x1): PWR_VOSCR can be read and written only with secure access. |
| SEC5 | Backup domain secure protection 0 (B_0x0): PWR_BDCR1, PWR_BDCR2, and PWR_DBPCR can be read and written with secure or non-secure access. 1 (B_0x1): PWR_BDCR1, PWR_BDCR2, and PWR_DBPCR can be read and written only with secure access. |
| SEC6 | CPU power control secure protection 0 (B_0x0): PWR_CPUCR can be read and written with secure or non-secure access. 1 (B_0x1): PWR_CPUCR can be read and written only with secure access. |
| SEC7 | Peripheral voltage monitor secure protection 0 (B_0x0): PWR_SVMCR1, PWR_SVMCR2, and PWR_SVMCR3 can be read and written with secure or non-secure access. 1 (B_0x1): PWR_SVMCR1, PWR_SVMCR2, and PWR_SVMCR3 can be read and written only with secure access. |
| WKUPSEC1 | WKUP1 pin secure protection 0 (B_0x0): Bits related to WKUP1 pin in PWR_WKUPCR, PWR_WKUPSR, and PWR_WKUPEPR can be read and written with secure or non-secure access. 1 (B_0x1): Bits related to WKUP1 pin in PWR_WKUPCR, PWR_WKUPSR, and PWR_WKUPEPR can be read and written only with secure access. |
| WKUPSEC2 | WKUP2 pin secure protection 0 (B_0x0): Bits related to WKUP2 pin in PWR_WKUPCR, PWR_WKUPSR, and PWR_WKUPEPR can be read and written with secure or non-secure access. 1 (B_0x1): Bits related to WKUP2 pin in PWR_WKUPCR, PWR_WKUPSR, and PWR_WKUPEPR can be read and written only with secure access. |
| WKUPSEC3 | WKUP3 pin secure protection 0 (B_0x0): Bits related to WKUP3 pin in PWR_WKUPCR, PWR_WKUPSR, and PWR_WKUPEPR can be read and written with secure or non-secure access. 1 (B_0x1): Bits related to WKUP3 pin in PWR_WKUPCR, PWR_WKUPSR, and PWR_WKUPEPR can be read and written only with secure access. |
| WKUPSEC4 | WKUP4 pin secure protection 0 (B_0x0): Bits related to WKUP4 pin in PWR_WKUPCR, PWR_WKUPSR, and PWR_WKUPEPR can be read and written with secure or non-secure access. 1 (B_0x1): Bits related to WKUP4 pin in PWR_WKUPCR, PWR_WKUPSR, and PWR_WKUPEPR can be read and written only with secure access. |