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HD6432351 Datasheet(PDF) 883 Page - Renesas Technology Corp

Part # HD6432351
Description  16-Bit Single-Chip Microcomputer
PDF  1025 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6432351 Datasheet(HTML) 883 Page - Renesas Technology Corp

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Appendix B Internal I/O Register
Rev. 3.00 Sep 15, 2006 page 849 of 988
REJ09B0330-0300
RTCNT—Refresh Timer Counter
H'FED8
Bus Controller
7
0
R/W
6
0
R/W
5
0
R/W
4
0
R/W
3
0
R/W
0
0
R/W
2
0
R/W
1
0
R/W
Bit
Initial value
Read/Write
:
:
:
Internal clock count value
RTCOR—Refresh Time Constant Register
H'FED9
Bus Controller
7
1
R/W
6
1
R/W
5
1
R/W
4
1
R/W
3
1
R/W
0
1
R/W
2
1
R/W
1
1
R/W
Sets the period for compare match operations with RTCNT
Bit
Initial value
Read/Write
:
:
:
MAR0AH—Memory Address Register 0AH
H'FEE0
DMAC
MAR0AL—Memory Address Register 0AL
H'FEE2
DMAC
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



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