Datasheet

Section 9 Data Transfer Controller (DTC)
Page 492 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
Start
Read DTC vector
Next transfer
Read register information
Data transfer
Write register information
Clear activation flag
CHNE = 1?
End
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Transfer counter = 0
or DISEL = 1?
Clear DTCER
Interrupt exception
handling
CHNS = 0?
DISEL = 1?
Transfer
counter = 0?
Figure 9.5 Flowchart of DTC Operation