HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 1146

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Appendix B Internal I/O Registers
MAR1AH—Memory Address Register 1AH
MAR1AL—Memory Address Register 1AL
IOAR1A—I/O Address Register 1A
Rev.6.00 Sep. 27, 2007 Page 1116 of 1268
REJ09B0220-0600
Bit
IOAR1A
Initial value
Read/Write
Bit
MAR1AH
Initial value
Read/Write
Bit
MAR1AL
Initial value
Read/Write
(Not supported in H8S/2321)
(Not supported in H8S/2321)
(Not supported in H8S/2321)
:
:
:
:
:
:
:
:
:
:
:
:
In short address mode: Specifies transfer source/transfer destination address
In full address mode: Specifies transfer source address
R/W
In short address mode: Specifies transfer source/transfer destination address
In full address mode: Not used
R/W
31
15
—
—
15
0
*
*
R/W
R/W
30
14
—
—
14
0
*
*
R/W
R/W
29
13
—
—
13
0
*
*
R/W
R/W
28
12
—
—
12
0
*
*
R/W
R/W
27
11
—
—
11
0
*
*
R/W
R/W
26
10
—
—
10
0
*
*
R/W
R/W
25
—
—
0
9
*
9
*
R/W
R/W
24
—
—
0
8
*
8
*
H'FEF0
H'FEF2
H'FEF4
R/W
R/W
R/W
23
7
*
*
7
*
R/W
R/W
R/W
22
*
6
*
6
*
R/W
R/W
R/W
21
*
5
*
5
*
R/W
R/W
R/W
20
4
*
*
4
*
R/W
R/W
R/W
19
3
*
*
3
*
R/W
R/W
R/W
18
* : Undefined
* : Undefined
*
2
*
2
*
R/W
R/W
R/W
17
1
*
*
1
*
DMAC
DMAC
DMAC
R/W
R/W
R/W
16
*
0
*
0
*