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3.2
Mode Control Register (MDCR)
MDCR is an 8-bit read-only register that indicates the current operating mode of the
H8/3067 Group.
Bit
7
Initial value
1
Read/Write
Reserved bits
Note:
Determined by pins MD to MD .
*
Bits 7 and 6—Reserved: These bits can not be modified and are always read as 1.
Bits 5 to 3—Reserved: These bits can not be modified and are always read as 0.
Bits 2 to 0—Mode Select 2 to 0 (MDS2 to MDS0): These bits indicate the logic levels at pins
MD
to MD
(the current operating mode). MDS2 to MDS0 correspond to MD
2
0
MDS0 are read-only bits. The mode pin (MD
MDCR is read.
6
5
4
1
0
0
Reserved bits
2
0
to MD
2
Section 3 MCU Operating Modes
3
2
MDS2
*
0
R
Mode select 2 to 0
Bits indicating the current
operating mode
) levels are latched into these bits when
0
Rev. 4.00 Jan 26, 2006 page 65 of 938
1
0
MDS1
MDS0
*
*
R
R
to MD
. MDS2 to
2
0
REJ09B0276-0400
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