HD6432646 Hitachi, HD6432646 Datasheet - Page 1004

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

DTVECR—DTC Vector Register
970
Bit
Initial value
Read/Write
Notes:
*1 Only 1 can be written to the SWDTE bit.
*2 Bits DTVEC6 to DTVEC0 can be written to when SWDTE = 0.
SWDTE
R/(W)
DTC Software Activation Enable
7
0
0
1
*1
DTC software activation is disabled
[Clearing condition]
• When the DISEL bit is 0 and the specified number of transfers
• When 0s written to the DISEL bit after a software-activated data
DTC software activation is enabled
[Holding conditions]
• When the DISEL bit is 1 and data transfer has ended
• When the specified number of transfers have ended
• During data transfer due to software activation
have not ended
transfer end interrupt (SWDTEND) request has been sent to
the CPU
DTVEC6
R/W
6
0
*2
DTVEC5
R/W
5
0
*2
DTVEC4
R/W
Specify a number for DTC software activation
4
0
*2
H'FE1F
DTVEC3
R/W
3
0
*2
DTVEC2
R/W
2
0
*2
DTVEC1
R/W
1
0
*2
DTVEC0
R/W
0
0
*2
DTC