Renesas H8S Series Hardware Manual page 909

16-bit single-chip microcomputer
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IOAR1B—I/O Address Register 1B
Bit
IOAR1B
Initial value
Read/Write
ETCR1B—Transfer Count Register 1B
Bit
ETCR1B
Initial value
Read/Write
Sequential mode
and idle mode
Repeat mode
Block transfer mode
Note: Not used in normal mode.
:
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
:
15
14
13
12
:
:
*
*
*
:
R/W
R/W
R/W
R/W
Transfer number storage register
H'FEFC
11
10
9
8
7
*
*
*
*
*
R/W
R/W
R/W
R/W
H'FEFE
11
10
9
8
7
*
*
*
*
*
*
R/W
R/W
R/W
R/W
R/W
Transfer counter
Block transfer counter
DMAC
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
Transfer counter
* : Undefined
Rev.6.00 Oct.28.2004 page 881 of 1016
1
0
*
*
R/W
R/W
1
0
*
*
R/W
R/W
REJ09B0138-0600H

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