Renesas H8S Series Hardware Manual page 905

16-bit single-chip microcomputer
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RAMER—RAM Emulation Register
Bit
Initial value
Read/Write
MAR0AH—Memory Address Register 0AH
MAR0AL—Memory Address Register 0AL
Bit
MAR0AH
Initial value
Read/Write
Bit
MAR0AL
Initial value
Read/Write
IOAR0A—I/O Address Register 0A
Bit
IOAR0A
Initial value
Read/Write
:
7
6
:
0
0
:
:
31
30
29
28
:
:
0
0
0
0
:
15
14
13
12
:
:
:
*
*
*
*
:
R/W
R/W
R/W
R/W
R/W
In short address mode: Specifies transfer source/transfer destination address
In full address mode: Specifies transfer source address
:
15
14
13
12
:
:
*
*
*
*
:
R/W
R/W
R/W
R/W
R/W
In short address mode: Specifies transfer source/transfer destination address
In full address mode: Not used
H'FEDB
(for H8S/2357F-ZTAT only)
5
4
0
0
RAM Select, Flash Memory Area
RAMS
RAM1
RAM0
×
×
0
1
0
0
1
1
0
1
H'FEE0
H'FEE2
27
26
25
24
23
0
0
0
0
*
R/W
11
10
9
8
7
*
*
*
*
*
R/W
R/W
R/W
R/W
H'FEE4
11
10
9
8
7
*
*
*
*
*
R/W
R/W
R/W
R/W
Bus Controller
3
2
1
RAMS
RAM1
0
0
0
R/W
R/W
Area
H'FFDC00 to H'FFDFFF
H'000000 to H'0003FF
H'000400 to H'0007FF
H'000800 to H'000BFF
H'000C00 to H'000FFF
×: Don't care
DMAC
DMAC
22
21
20
19
18
*
*
*
*
*
R/W
R/W
R/W
R/W
R/W
6
5
4
3
2
*
*
*
*
*
R/W
R/W
R/W
R/W
R/W
* : Undefined
DMAC
6
5
4
3
2
*
*
*
*
*
R/W
R/W
R/W
R/W
R/W
* : Undefined
Rev.6.00 Oct.28.2004 page 877 of 1016
0
RAM0
0
R/W
17
16
*
*
R/W
R/W
1
0
*
*
R/W
R/W
1
0
*
*
R/W
R/W
REJ09B0138-0600H

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