h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 918

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Appendix B Internal I/O Register
MRB—DTC Mode Register B
SAR—DTC Source Address Register
DAR—DTC Destination Address Register
Rev. 5.00 Sep 22, 2005 page 892 of 1136
REJ09B0257-0500
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Unde-
Unde-
Undefined
fined
fined
23
23
—
—
CHNE
DTC Chain Transfer Enable
—
7
0 End of DTC data transfer
1 DTC chain transfer
Unde-
Unde-
fined
fined
22
—
22
—
Undefined
Unde-
Unde-
fined
fined
DISEL
21
—
21
—
DTC Interrupt Select
—
6
0 After a data transfer ends, the CPU interrupt is
1 After a data transfer ends, the CPU interrupt is
Unde-
Unde-
fined
fined
Specify DTC transfer data destination address
20
—
20
—
disabled unless the transfer counter is 0
enabled
Specify DTC transfer data source address
Undefined
Unde-
Unde-
fined
fined
19
19
—
—
—
—
5
Undefined
—
—
4
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
Undefined
H'EBC0–H'EFBF
H'EBC0–H'EFBF
H'EBC0–H'EFBF
—
—
3
Undefined
Unde-
Unde-
—
—
fined
fined
2
—
—
4
4
Unde-
Unde-
fined
fined
—
—
3
3
Undefined
—
—
1
Unde-
Unde-
fined
fined
—
—
2
2
Unde-
Unde-
fined
fined
Undefined
—
—
1
1
—
—
0
Unde-
Unde-
fined
fined
—
—
0
0
DTC
DTC
DTC