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H8S2245 データシート(PDF) 160 Page - Renesas Technology Corp |
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H8S2245 データシート(HTML) 160 Page - Renesas Technology Corp |
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160 / 818 page ![]() Section 5 Interrupt Controller Rev.3.00 Mar. 26, 2007 Page 118 of 772 REJ09B0355-0300 (2) Default Priority Determination When an interrupt is selected its priority is determined and a vector number is generated. If the same value is set for ICR, acceptance of multiple interrupts is enabled, and so only the interrupt source with the highest priority according to the table 5.4 and has a vector number generated. Interrupt sources with a lower priority than the accepted interrupt source are held pending. Table 5.7 shows operations and control signal functions in each interrupt control mode. Table 5.7 Operations and Control Signal Functions in Each Interrupt Control Mode Setting Interrupt Acceptance Control 3-Level Control Interrupt Control Mode INTM1 INTM0 I UI ICR Default Priority Determination 00 0 IM — PR 11 IM IM PR Legend: : Interrupt operation control performed IM: Used as interrupt mask bit PR: Sets priority. —: Not used. |
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