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R8C/29 Datasheet(PDF) 133 Page - Renesas Technology Corp |
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R8C/29 Datasheet(HTML) 133 Page - Renesas Technology Corp |
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133 / 471 page  R8C/28 Group, R8C/29 Group 12. Interrupts Rev.2.10 Sep 26, 2008 Page 116 of 441 REJ09B0279-0210 12.1.6.10 Interrupt Priority Judgement Circuit The interrupt priority judgement circuit selects the highest priority interrupt, as shown in Figure 12.11. Figure 12.11 Interrupt Priority Level Judgement Circuit UART1 receive UART0 receive A/D conversion SSU / I2C bus(1) Key input IPL Lowest Highest Priority of peripheral function interrupts (if priority levels are same) Interrupt request level judgment output signal Interrupt request acknowledged I flag Address match Watchdog timer Oscillation stop detection Voltage monitor 1(2) NOTE: 1. The IICSEL bit in the PMR register switches functions. 2. For N, D version only. UART0 transmit UART1 transmit Timer RE INT0 INT1 INT3 Timer RB Timer RA Priority level of interrupt Level 0 (default value) Voltage monitor 2 Timer RC |
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