Peripheral Access Vs Decprot[1:0] - ST STM32MP13-ETZPC Manual

Peripheral access vs DECPROT[1:0]

DECPROT[1:0]
0b00
0b01
0b10
0b11
ETZPC controls access to securable resources according to
the DECPROT bits, as shown in this table.
MPU access
secure non-secure
read write read write
y y n n
y y y n
y y y y
y y y y
Peripheral mode
Secure peripheral
Write-secure peripheral
Reserved
Non-secure
5