Hitachi H8S/2670, Справочное руководство

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533
IOAR0B—I/O Address Register 0B H'FEEC DMAC
*
: Undefined
Bit
IOAR0B
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
ETCR0B—Transfer Count Register 0B H'FEEE DMAC
* : Undefined
Note: Not used in normal mode.
Bit
ETCR0B
Initial value
Read/Write
Sequential mode
and idle mode
Repeat mode
Block transfer mode
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
Transfer counter
Transfer counter
Holds number of transfers
Block transfer counter