Hitachi H8S/2646 User Manual

875
MRA—DTC Mode Register A H'EBC0–H'EFBF DTC
7
SM1
Undefined 
—
6
SM0
Undefined 
—
5
DM1
Undefined 
—
4
DM0
Undefined 
—
3
MD1
Undefined 
—
0
Sz
Undefined 
—
2
MD0
Undefined 
—
1
DTS
Undefined 
—
Bit

Initial value
Read/Write
DTC Data Transfer Size
0 Byte-size transfer
1 Word-size transfer
DTC Transfer Mode Select
0 Destination side is repeat

area or block area
1 Source side is repeat area

or block area

DTC Mode
0 Normal mode
Repeat mode
0
1
1 Block transfer mode0
—1
Destination Address Mode
0 DAR is fixed
DAR is incremented after a transfer
(by +1 when Sz = 0; by +2 when Sz = 1)
—
0
1
DAR is decremented after a transfer
(by -1 when Sz = 0; by -2 when Sz = 1)
1
Source Address Mode
0 SAR is fixed
SAR is incremented after a transfer
(by +1 when Sz = 0; by +2 when Sz = 1)
—
0
1
SAR is decremented after a transfer
(by -1 when Sz = 0; by -2 when Sz = 1)
1

Hitachi H8S/2646 Specifications

General

Brand	Hitachi
Model	H8S/2646
Category	Desktop
Language	English