h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 152

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 5 Interrupt Controller
Operation Order: If the same interrupt is selected as a DTC activation source and a CPU
interrupt source, the DTC data transfer is performed first, followed by CPU interrupt exception
handling.
Table 5.9 summarizes interrupt source selection and interrupt source clearance control according
to the settings of the DTCE bit of DTCERA to DTCERE in the DTC and the DISEL bit of MRB
in the DTC.
Table 5.9
Legend:
*: Don’t care
Rev. 3.00 Jan 25, 2006 page 100 of 872
REJ09B0286-0300
DTCE
0
1
: The relevant bit cannot be used.
: The relevant interrupt is used. Interrupt source clearing is performed.
: The relevant interrupt is used. The interrupt source is not cleared.
(The CPU should clear the source flag in the interrupt handling routine.)
Interrupt Source Selection and Clearing Control
Settings
DTC
DISEL
*
0
1
DTC
Interrupt Source Selection/Clearing Control
CPU