RM0046 System Status and Configuration Module (SSCM)
Doc ID 16912 Rev 5 243/936
System Memory Configuration register (MEMCONFIG)
The system memory configuration register is a read-only register that reflects the memory
configuration of the system.
Figure 91. System memory configuration (MEMCONFIG) register
Address:
Base + 0x0002 Access: Read-only
0123456789101112131415
R0000000000IVLD0000
DVLD
W
Reset0000000000000000
Table 80. MEMCONFIG field descriptions
Field Description
IVLD
CFlash Valid
This bit identifies whether or not the on-chip CFlash is accessible in the system memory map. The Flash
may not be accessible due to security limitations.
1: CFlash accessible
0: CFlash not accessible
Note: This is a status bit only and writing to this bit does not enable the CFlash if it has been disabled
due to specific mode of operation.
DVLD
DFlash Valid
This bit identifies whether or not the on-chip DFlash is visible in the system memory map. The Flash may
not be accessible due to security limitations.
1: DFlash visible
0: DFlash not visible
Note: This is a status bit only and writing to this bit does not enable the CFlash if it has been disabled
due to specific mode of operation.
Table 81. MEMCONFIG allowed register accesses
Access type
Access width
8-bit 16-bit 32-bit
Read Allowed Allowed
Allowed
(also reads STATUS
register)
Write Not allowed Not allowed Not allowed
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