Renesas H8S/2319 series Hardware Manual page 223

Start
Read DTC vector
Read register information
Data transfer
Write register information
CHNE = 1?
No
Transfer counter = 0
or DISEL = 1?
No
Clear activation flag
End
Figure 7-2 Flowchart of DTC Operation
Next transfer
Yes
Yes
CHNS = 0?
Yes
No
Transfer
counter = 0?
Yes
No
DISEL = 1?
Yes
No
Clear DTCER
Interrupt exception
handling
Rev. 5.00, 12/03, page 193 of 1088