R5F61525 RENESAS [Renesas Technology Corp], R5F61525 Datasheet - Page 622

• Manufacturer Part Number: R5F61525
• Description: 32-Bit CISC Microcomputer H8SX Family H8SX/1500 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 17 Flash Memory (0.18-(m F-ZTAT Version)
(5)
FMATS selects the user MAT or user boot MAT. Writing to FMATS should be done when a
program in the on-chip RAM is being executed.
Note:
Rev. 3.00 Mar. 14, 2006 Page 584 of 804
REJ09B0104-0300
Bit
7
6
5
4
3
2
1
0
Note:
Bit
Bit Name
Initial Value
R/W
Flash MAT Select Register (FMATS)
*
* This bit is set to 1 in user boot mode, otherwise cleared to 0.
Bit Name
MS7
MS6
MS5
MS4
MS3
MS2
MS1
MS0
This bit is set to 1 in user boot mode, otherwise cleared to 0.
MS7
0/1*
R/W
7
Initial
Value
0/1*
0
0/1*
0
0/1*
0
0/1*
0
MS6
R/W
6
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
MS5
0/1*
R/W
5
Description
MAT Select
The memory MATs can be switched by writing a value
to FMATS.
When H'AA is written to FMATS, the user boot MAT is
selected. When a value other than H'AA is written, the
user MAT is selected. Switch the MATs following the
memory MAT switching procedure in section 17.11,
Switching between User MAT and User Boot MAT. The
user boot MAT cannot be selected by FMATS in user
programming mode. The user boot MAT can be
selected in boot mode or programmer mode.
H'AA: The user boot MAT is selected. (The user MAT is
H'00: The user MAT is selected.
MS4
R/W
4
0
selected when FMATS is a value other than
H'AA.)
(Initial value when initiated in user boot mode.)
(Initial value when initiated in a mode except for
user boot mode.)
MS3
R/W
0/1*
3
MS2
R/W
2
0
MS1
0/1*
R/W
1
MS0
R/W
0
0