Hitachi H8S/2646 Hardware Manual page 159

Hitachi 16-bit single-chip microcomputer h8s/2646 series
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Table 5-11 Interrupt Source Selection and Clearing Control
Settings
DTC
DTCE
0
1
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 bit cannot be used.
* :
Don't care
Notes on Use: SCI and A/D converter interrupt sources are cleared when the DTC reads or writes
to the prescribed register.
DISEL
*
0
1
Interrupt Source Selection/Clearing Control
DTC
X
CPU
X
127

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