Hitachi H8S/2670, Reference Manual

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534
MAR1AH—Memory Address Register 1AH H'FEF0 DMAC
MAR1AL—Memory Address Register 1AL H'FEF2 DMAC
* : Undefined
Bit
MAR1AL
Initial value
Read/Write
15
*
R/W
14
*
R/W
13
*
R/W
12
*
R/W
11
*
R/W
10
*
R/W
9
*
R/W
8
*
R/W
7
*
R/W
6
*
R/W
5
*
R/W
4
*
R/W
3
*
R/W
2
*
R/W
1
*
R/W
0
*
R/W
Bit
MAR1AH
Initial value
Read/Write
31
—
0
—
30
—
0
—
29
—
0
—
28
—
0
—
27
—
0
—
26
—
0
—
25
—
0
—
24
—
0
—
23
*
R/W
22
*
R/W
21
*
R/W
20
*
R/W
19
*
R/W
18
*
R/W
17
*
R/W
16
*
R/W
In short address mode: Specifies transfer destination/transfer source address
In full address mode:
Not used
IOAR1A—I/O Address Register 1A H'FEF4 DMAC
* : Undefined
Bit
IOAR1A
Initial value
Read/Write
15
*
R/W
14
*
R/W
13
*
R/W
12
*
R/W
11
*
R/W
10
*
R/W
9
*
R/W
8
*
R/W
7
*
R/W
6
*
R/W
5
*
R/W
4
*
R/W
3
*
R/W
2
*
R/W
1
*
R/W
0
*
R/W
In short address mode: Specifies transfer destination/transfer source address
In full address mode:
Not used