Rev. 5.00, 12/03, page 186 of 1088
7.2
Register Descriptions
7.2.1
DTC Mode Register A (MRA)
Bit
:
7
6
5
4
3
2
1
0
SM1
SM0
DM1
DM0
MD1
MD0
DTS
Sz
Initial value :
Unde-
fined
Unde-
fined
Unde-
fined
Unde-
fined
Unde-
fined
Unde-
fined
Unde-
fined
Unde-
fined
R/W
:
—
—
—
—
—
—
—
—
MRA is an 8-bit register that controls the DTC operating mode.
Bits 7 and 6—Source Address Mode 1 and 0 (SM1, SM0): These bits specify whether SAR is
to be incremented, decremented, or left fixed after a data transfer.
Bit 7
SM1
Bit 6
SM0
Description
0
—
SAR is fixed
1
0
SAR is incremented after a transfer
(by +1 when Sz = 0; by +2 when Sz = 1)
1
SAR is decremented after a transfer
(by –1 when Sz = 0; by –2 when Sz = 1)
Bits 5 and 4—Destination Address Mode 1 and 0 (DM1, DM0): These bits specify whether
DAR is to be incremented, decremented, or left fixed after a data transfer.
Bit 5
DM1
Bit 4
DM0
Description
0
—
DAR is fixed
1
0
DAR is incremented after a transfer
(by +1 when Sz = 0; by +2 when Sz = 1)
1
DAR is decremented after a transfer
(by –1 when Sz = 0; by –2 when Sz = 1)
Содержание H8S/2318 series
Страница 2: ......
Страница 6: ...Rev 5 00 12 03 page vi of xxx...
Страница 12: ...Rev 5 00 12 03 page xii of xxx...
Страница 30: ...Rev 5 00 12 03 page xxx of xxx...
Страница 54: ...Rev 5 00 12 03 page 24 of 1088...
Страница 98: ...Rev 5 00 12 03 page 68 of 1088...
Страница 128: ...Rev 5 00 12 03 page 98 of 1088...
Страница 138: ...Rev 5 00 12 03 page 108 of 1088...
Страница 168: ...Rev 5 00 12 03 page 138 of 1088...
Страница 212: ...Rev 5 00 12 03 page 182 of 1088...
Страница 324: ...Rev 5 00 12 03 page 294 of 1088...
Страница 436: ...Rev 5 00 12 03 page 406 of 1088...
Страница 546: ...Rev 5 00 12 03 page 516 of 1088...
Страница 580: ...Rev 5 00 12 03 page 550 of 1088...
Страница 822: ...Rev 5 00 12 03 page 792 of 1088...
Страница 876: ...Rev 5 00 12 03 page 846 of 1088...
Страница 901: ...Rev 5 00 12 03 page 871 of 1088 A 2 Instruction Codes Table A 2 shows the instruction codes...
Страница 1121: ...H8S 2319 Group H8S 2318 Group Hardware Manual REJ09B0089 0500O...