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