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Section 5 Power-Down Modes
Rev. 6.00 Aug 04, 2006 page 154 of 680
REJ09B0145-0600
5.9.3
Usage Note
If, due to the timing with which a peripheral module issues interrupt requests, the module in
question is set to module standby mode before an interrupt is processed, the module will stop with
the interrupt request still pending. In this situation, interrupt processing will be repeated
indefinitely unless interrupts are prohibited.
It is therefore necessary to ensure that no interrupts are generated when a module is set to module
standby mode. The surest way to do this is to specify the module standby mode setting only when
interrupts are prohibited (interrupts prohibited using the interrupt enable register or interrupts
masked using bit CCR-I).
Содержание H8/38342
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