h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 221

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

When an interrupt has been designated a DTC activation source, existing CPU mask level and
interrupt controller priorities have no effect. If there is more than one activation source at the same
time, the DTC operates in accordance with the default priorities.
Source flag cleared
IRQ interrupt
supporting
DTVECR
On-chip
module
Figure 8.3 Block Diagram of DTC Activation Source Control
Interrupt
request
DTCER
Select
Clear
Interrupt controller
controller
Clear
Rev. 5.00 Sep 22, 2005 page 195 of 1136
DTC
Section 8 Data Transfer Controller (DTC)
Clear request
Interrupt mask
REJ09B0257-0500
CPU