NXP Semiconductors MPC5644A, Reference Manual, Page: 591 / 1735

Error Correction Status Module (ECSM)
MPC5644A Microcontroller Reference Manual, Rev. 6
Freescale Semiconductor 591
In the event that multiple status flags are signaled simultaneously, the ECSM records the event with the
R1BC as highest priority, then F1BC, then RNCE, and finally FNCE.
Register address: ECSM Base + 0x0047 (0xFFF4_0047)
0 1 2 3 4 5 6 7
R 0 0 R1BC F1BC 0 0 RNCE FNCE
W
Reset 0 0 0 0 0 0 0 0
= Unimplemented
Figure 18-5. ECC Status Register (ECSM_ESR)
Table 18-7. ECSM_ESR field description
Name Description
2
R1BC
Platform RAM 1-bit Correction
0 = No reportable single-bit platform RAM correction has been detected.
1 = A reportable single-bit platform RAM correction has been detected.
This bit can only be set if ECSM_ECR[ER1BR] is asserted. The occurrence of a properly-enabled
single-bit RAM correction generates an ECSM ECC interrupt request. The address, attributes and data
are also captured in the ECSM_REAR, ECSM_PRESR, ECSM_REMR, ECSM_REAT and
ECSM_REDR registers. To clear this interrupt flag, write a ‘1’ to this bit. Writing a ‘0’ has no effect.
3
F1BC
Platform Flash 1-bit Correction
0 = No reportable single-bit platform flash correction has been detected.
1 = A reportable single-bit platform flash correction has been detected.
This bit can only be set if ECSM_ECR[EF1BR] is asserted. The occurrence of a properly-enabled
single-bit flash correction generates an ECSM ECC interrupt request. The address, attributes and data
are also captured in the ECSM_FEAR, ECSM_FEMR, ECSM_FEAT and ECSM_FEDR registers. To
clear this interrupt flag, write a ‘1’ to this bit. Writing a ‘0’ has no effect.
6
RNCE
Platform RAM Non-Correctable Error
0 = No reportable non-correctable platform RAM error has been detected.
1 = A reportable non-correctable platform RAM error has been detected.
The occurrence of a properly-enabled non-correctable RAM error generates an ECSM ECC interrupt
request. The faulting address, attributes and data are also captured in the ECSM_REAR,
ECSM_PRESR, ECSM_REMR, ECSM_REAT and ECSM_REDR registers. To clear this interrupt flag,
write a ‘1’ to this bit. Writing a ‘0’ has no effect.
7
FNCE
Platform Flash Non-Correctable Error
0 = No reportable non-correctable platform flash error has been detected.
1 = A reportable non-correctable platform flash error has been detected.
The occurrence of a properly-enabled non-correctable flash error generates an ECSM ECC interrupt
request. The faulting address, attributes and data are also captured in the ECSM_FEAR, ECSM_FEMR,
ECSM_FEAT and ECSM_FEDR registers. To clear this interrupt flag, write a ‘1’ to this bit. Writing a ‘0’
has no effect.