R5F61525 RENESAS [Renesas Technology Corp], R5F61525 Datasheet - Page 107

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

Note:
Table 3.2
3.2.2
SYSCR controls MAC saturation operation and enables/disables the on-chip RAM and the flash
memory control registers.
Bit
Bit Name
Initial Value
R/W
Bit
Bit Name
Initial Value
R/W
Bit
7
6
5
4
3
2
1
0
MCU Operating Mode MD1
1
2
3
*
Bit Name








System Control Register (SYSCR)
Determined by pins MD1 and MD0.
Settings of Bits MSD3 to MSD0
FLSHE
R/W
15
—
R
1
7
0
Initial Value R/W
0
1
0
1
Undefined*
Undefined*
Undefined*
Undefined*
0
1
1
R/W
14
—
—
R
1
6
0
MACS
R
R
R
R
R
R
R
R
R/W
R/W
13
—
0
5
0
MD0
1
0
1
Descriptions
Reserved
These are read-only bits and cannot be modified.
R/W
12
—
—
R
1
4
0
MDS3
1
1
0
R/W
R/W
11
—
—
0
3
0
Rev. 3.00 Mar. 14, 2006 Page 69 of 804
MDS2
1
1
1
R/W
R/W
Section 3 MCU Operating Modes
10
—
—
1
2
0
MDCR
MDS1
0
0
0
R/W
R/W
—
—
9
0
1
1
REJ09B0104-0300
MDS0
1
0
0
RAME
R/W
R/W
—
8
1
0
1