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SH7243 Datasheet(PDF) 191 Page - Renesas Technology Corp |
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SH7243 Datasheet(HTML) 191 Page - Renesas Technology Corp |
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191 / 1726 page  Section 6 Interrupt Controller (INTC) Rev. 1.00 Jun. 26, 2008 Page 161 of 1692 REJ09B0393-0100 Figures 6.13 and 6.14 show block diagrams of interrupt control. IRQ edge detector (in standby) Standby cancellation identifier IRQ detection Interrupt priority identifier Standby control Interrupt controller CPU interrupt request DTC activation request DTCECLR Transfer end DTCER DTCE clearing IRQ flag clearing by DTC IRQ pin DTC Figure 6.13 Interrupt Control Block Diagram DTCECLR DTC DTCER DMAC Bits RS[3:0] in CHCR DMAC activation request Interrupt source flag clearing by DMAC Interrupt source Interrupt source flag clearing Decoding Interrupt source flag clearing by DTC Interrupt priority identifier Interrupt controller CPU interrupt request DTC activation request Transfer end DTCE clearing Figure 6.14 Block Diagram of Controlling an On-Chip Peripheral Module Interrupt |
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