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SH7713 bảng dữ liệu(PDF) 279 Page - Renesas Technology Corp |
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SH7713 bảng dữ liệu(HTML) 279 Page - Renesas Technology Corp |
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279 / 904 page ![]() Section 8 Interrupt Controller (INTC) Rev.1.50 Aug. 30, 2006 Page 239 of 860 REJ09B0288-0150 The interrupt mask bits (I3 to I0) in the status register (SR) are not affected by the IRL interrupt handling. Priority encoder Interrupt request IRL3 to IRL0 IRL3 to IRL0 4 SH7713 Figure 8.2 Example of IRL Interrupt Connection 8.3.4 On-Chip Peripheral Module Interrupts On-chip peripheral module interrupts are generated by the following 13 modules: • Direct memory access controller (DMAC) • Serial communication interface with FIFO (SCIF0 and SCIF1) • Direct memory access controller for ethernet controller (E-DMAC) (includes an EtherC interrupt) • Serial I/O with FIFO (SIOF0 and SIOF1) • Timer unit (TMU0 to TMU2) • Realtime clock (RTC) • Watchdog timer (WDT) • Bus state controller (BSC) • User-debugging interface (H-UDI) Not every interrupt source is assigned a different interrupt vector. Sources are reflected in the interrupt event registers (INTEVT and INTEVT2). It is easy to identify sources by using the value of INTEVT or INTEVT2 as a branch offset. A priority level (from 0 to 15) can be set for each module except the H-UDI by writing to the interrupt priority registers A, B, and E to I (IPRA, IPRB, and IPRE to IPRI). The priority level of the H-UDI interrupt is 15 (fixed). |
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