HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 1108

• 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
MRB—DTC Mode Register B
SAR—DTC Source Address Register
DAR—DTC Destination Address Register
Rev.6.00 Sep. 27, 2007 Page 1078 of 1268
REJ09B0220-0600
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
:
:
:
:
:
:
:
:
:
Unde-
Unde-
fined
fined
—
23
—
23
Undefined
CHNE
DTC Chain Transfer Enable
CHNE
Unde-
—
Unde-
fined
7
fined
22
22
—
0
1
1
—
Unde-
Unde-
fined
fined
CHNS
21
21
—
—
Undefined
DISEL
—
0
1
DTC Interrupt Select
—
Unde-
Unde-
6
fined
fined
0
1
20
20
—
—
Specifies DTC transfer data destination address
No chain transfer. (At end of DTC data
transfer, DTC waits for activation)
Chain transfer every time
Chain transfer only when transfer counter = 0
After DTC data transfer ends, the CPU interrupt is
disabled unless the transfer counter is 0
After DTC data transfer ends, the CPU interrupt is enabled
Unde-
Unde-
fined
fined
Undefined
19
19
—
—
Specifies DTC transfer data source address
CHNS
DTC Chain Transfer Select
—
5
Undefined
Description
—
—
4
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
H'F800—H'FBFF
H'F800—H'FBFF
H'F800—H'FBFF
Undefined
—
—
Reserved
Only 0 should be written to these bits
3
Undefined
—
—
2
Unde-
Unde-
fined
fined
—
—
4
4
Undefined
Unde-
Unde-
fined
fined
—
—
3
3
—
—
1
Unde-
Unde-
fined
fined
—
—
2
2
Undefined
Unde-
Unde-
fined
fined
—
—
1
1
—
—
0
Unde-
Unde-
fined
fined
—
—
0
0
DTC
DTC
DTC