Datasheet

Section 5 Interrupt Controller

Rev.6.00 Sep. 27, 2007 Page 142 of 1268

REJ09B0220-0600

Table 5.11 Interrupt Source Selection and Clearing Control

Settings

DMAC DTC Interrupt Source Selection/Clearing Control

DTA DTCE DISEL DMAC

DTC CPU

0 0

1 0 X

X X

Legend:

: The relevant interrupt is used. Interrupt source clearing is performed.

(The CPU should clear the source flag in the interrupt handling routine.)

: The relevant interrupt is used. The interrupt source is not cleared.

X: The relevant interrupt cannot be used.

*: Don't care

Note: 1. The DMAC is not supported in the H8S/2321.

Usage Note: SCI and A/D converter interrupt sources are cleared when the DMAC

or DTC reads

or writes to the prescribed register, and are not dependent upon the DTA bit or DISEL bit.

Note: * The DMAC is not supported in the H8S/2321.