14.2.4 Secure SRAM Configuration

This register is loaded from UROW during Boot ROM execution.

Important: if BOCOR.SECCFGLOCK == 0 after exiting the Boot ROM:
  • The secure software code of the Flash BOOT region, before passing control on to the secure software code of the Flash APPLICATION region, must lock the IDAU memory security configurations by clearing the IDAU.SECCTRL.SCFGWEN bit.
  • Write accesses (W*) are allowed.
Name: SCFGR
Offset: 0x0C
Reset: 0x0000
Property: PAC Write-Protection

Bit 15141312111098 
        RS[8] 
Access R/W* 
Reset x 
Bit 76543210 
 RS[7:0] 
Access R/W*R/W*R/W*R/W*R/W*R/W*R/W*R/W* 
Reset xxxxxxxx 

Bits 8:0 – RS[8:0] Secure SRAM (RS region) Size

This field defines the size of the Secure (S) SRAM region = RS*0x80 bytes.