HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 1148

• 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
IOAR1B—I/O Address Register 1B
ETCR1B—Transfer Count Register 1B
Rev.6.00 Sep. 27, 2007 Page 1118 of 1268
REJ09B0220-0600
Bit
IOAR1B
Initial value
Read/Write
Sequential mode
and idle mode
Repeat mode
Block transfer mode
Note: Not used in normal mode.
Bit
ETCR1B
Initial value
Read/Write
(Not supported in H8S/2321)
(Not supported in H8S/2321)
:
:
:
:
In short address mode: Specifies transfer source/transfer destination address
In full address mode: Not used
R/W
15
*
:
:
:
:
R/W
14
R/W
*
15
*
Transfer number storage register
R/W
R/W
13
*
14
*
R/W
R/W
12
13
*
*
R/W
R/W
12
11
*
*
R/W
R/W
11
10
*
*
R/W
10
R/W
*
9
*
Block transfer counter
R/W
R/W
9
*
8
*
Transfer counter
H'FEFC
H'FEFE
R/W
8
*
R/W
7
*
R/W
7
*
R/W
6
*
R/W
6
*
R/W
5
*
R/W
5
*
R/W
4
Transfer counter
*
R/W
4
*
R/W
R/W
3
*
3
*
R/W
R/W
* : Undefined
2
*
2
*
* : Undefined
R/W
R/W
1
*
1
*
DMAC
DMAC
R/W
R/W
0
0
*
*