Datasheet

Appendix B Internal I/O Registers
Rev.6.00 Sep. 27, 2007 Page 1113 of 1268
REJ09B0220-0600
MAR0AH—Memory Address Register 0AH H'FEE0 DMAC
(Not supported in H8S/2321)
MAR0AL—Memory Address Register 0AL H'FEE2 DMAC
(Not supported in H8S/2321)
16
*
R/W
18
*
R/W
17
*
R/W
Bit
MAR0AH
Initial value
Read/Write
:
:
:
:
19
*
R/W
21
*
R/W
22
*
R/W
23
*
R/W
24
—
0
—
25
—
0
—
26
—
0
—
27
—
0
—
28
—
0
—
29
—
0
—
30
—
0
—
31
—
0
—
0
*
R/W
2
*
R/W
1
*
R/W
3
*
R/W
4
*
R/W
5
*
R/W
6
*
R/W
7
*
R/W
8
*
R/W
9
*
R/W
10
*
R/W
11
*
R/W
12
*
R/W
13
*
R/W
14
*
R/W
15
*
R/W
20
*
R/W
* : Undefined
Bit
MAR0AL
Initial value
Read/Write
:
:
:
:
In short address mode: Specifies transfer source/transfer destination address
In full address mode: Specifies transfer source address
IOAR0A—I/O Address Register 0A H'FEE4 DMAC
(Not supported in H8S/2321)
0
*
R/W
2
*
R/W
1
*
R/W
3
*
R/W
4
*
R/W
5
*
R/W
6
*
R/W
7
*
R/W
8
*
R/W
9
*
R/W
10
*
R/W
11
*
R/W
12
*
R/W
13
*
R/W
14
*
R/W
15
*
R/W
* : Undefined
In short address mode: Specifies transfer source/transfer destination address
In full address mode: Not used
Bit
IOAR0A
Initial value
Read/Write
:
:
:
: