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Section 25 Flash Memory
•
Flash MAT Select Register (FMATS)
FMATS specifies whether user MAT or user boot MAT is selected.
Initial
Bit
Bit Name
Value
7
MS7
0/1*
6
MS6
0
5
MS5
0/1*
4
MS4
0
3
MS3
0/1*
2
MS2
0
1
MS1
0/1*
0
MS0
0
Note:
* Set to 1 when in user boot mode, otherwise set to 0.
Rev. 1.00 Mar. 12, 2008 Page 934 of 1178
REJ09B0403-0100
R/W
Description
R/W
MAT Select
R/W
These bits are in user-MAT selection state when the
value other than H'AA is written and in user-boot-MAT
R/W
selection state when H'AA is written.
R/W
The MAT is switched by writing the value in FMATS.
R/W
When the MAT is switched, follow section 25.6,
R/W
Switching between User MAT and User Boot MAT. (The
user boot MAT cannot be programmed in user program
R/W
mode if user boot MAT is selected by FMATS. The user
R/W
boot MAT must be programmed in boot mode or in
programmer mode.)
H'AA: The user boot MAT is selected (in user-MAT
selection state when the value of these bits are
other than H'AA)
Initial value when these bits are initiated in user
boot mode.
H'00: Initial value when these bits are initiated in a mode
except for user boot mode (in user-MAT selection
state)
[Programmable condition]
These bits are in the execution state in the on-chip RAM.
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