Flash Memory
MPC5606S Microcontroller Reference Manual, Rev. 7
602 Freescale Semiconductor
1:4 Reserved (Read Only)
Write these bits has no effect and read these bits always outputs 0.
5:7 SIZE2-0: array space SIZE 2-0 (Read Only)
110 64 KB array space size
8 Reserved (Read Only).
Write this bit has no effect and read this bit always outputs 0.
9:11 LAS2-0: Low Address Space 2-0 (Read Only)
010 Low address space sectorization is 32 KB + 216 KB + 232 KB + 128KB
12:14 Reserved (Read Only)
Write these bits has no effect and read these bits always outputs 0.
15 MAS: Mid Address Space (Read Only)
0 No mid address space
16 EER: ECC event Error (Read/Clear)
EER provides information on previous reads. If a ECC Double Error detection occurred, the EER bit will
be set to 1.
This bit must then be cleared, or a reset must occur before this bit will return to a 0 state. This bit may not
be set to 1 by the user.
In the event of a ECC Single Error detection and correction, this bit will not be set.
If EER is not set, or remains 0, this indicates that all previous reads (from the last reset, or clearing of EER)
were correct.
Since this bit is an error flag, it must be cleared to 0 by writing 1 to the register location. A write of 0 will
have no effect.
0: Reads are occurring normally.
1: An ECC Double Error occurred during a previous read.
17 RWE: Read-while-Write event Error (Read/Clear)
RWE provides information on previous reads when a Modify operation is on going. If a RWW Error occurs,
the RWE bit will be set to 1. Read-While-Write Error means that a read access to the flash memory matrix
has occurred while the FPEC was performing a Program or Erase operation or an Array Integrity Check.
This bit must then be cleared, or a reset must occur before this bit will return to a 0 state. This bit may not
be set to 1 by the user.
If RWE is not set, or remains 0, this indicates that all previous RWW reads (from the last reset, or clearing
of RWE) were correct.
Since this bit is an error flag, it must be cleared to 0 by writing 1 to the register location. A write of 0 will
have no effect.
0: Reads are occurring normally.
1: A RWW Error occurred during a previous read.
18:19 Reserved (Read Only)
Write these bits has no effect and read these bits always outputs 0.
Table 17-42. MCR field descriptions (continued)
Field Description
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