SEC=B_0x0, RDEN=B_0x0, PRIV=B_0x0, WREN=B_0x0, SREN=B_0x0, RLOCK=B_0x0
RISAF region 12 subregion A configuration register
| SREN | subregion enable 0 (B_0x0): Subregion z is disabled. Access control of base region x applies to any access between this subregion start and end addresses. 1 (B_0x1): Subregion z of region x is enable. Access control defined in subregion z applies to any access between subregion z start and end addresses. |
| RLOCK | resource lock 0 (B_0x0): RISAF_REGx_zCFGR, RISAF_REGx_zSTARTR and RISAF_REGx_zENDR are writable. 1 (B_0x1): Writes to RISAF_REGx_zCFGR, RISAF_REGx_zSTARTR and RISAF_REGx_zENDR are ignored. |
| SRCID | subregion CID |
| SEC | secure subregion 0 (B_0x0): Only non-secure requests can access subregion z of region x. 1 (B_0x1): Only secure requests can access subregion z of region x. |
| PRIV | privileged subregion 0 (B_0x0): Privileged and unprivileged accesses are granted in subregion z of region x. 1 (B_0x1): Only privileged accesses are granted in subregion z of region x. |
| RDEN | read enable 0 (B_0x0): Any read to subregion z of region x returns zero. 1 (B_0x1): Subregion z of region x can be read. |
| WREN | write enable 0 (B_0x0): Any writes to subregion z of region x are ignored. 1 (B_0x1): Subregion z of region x can be written to. |