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数据搜索系统，热门电子元器件搜索 |
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4513 数据表(PDF) 39 Page - Renesas Technology Corp |
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4513 数据表(HTML) 39 Page - Renesas Technology Corp |
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39 / 210 page  1-26 HARDWARE 4513/4514 Group User’s Manual FUNCTION BLOCK OPERATIONS Table 7 External interrupt activated conditions Name External 0 interrupt External 1 interrupt Input pin P30/INT0 P31/INT1 Activated condition When the next waveform is input to P30/INT0 pin • Falling waveform (“H” →“L”) • Rising waveform (“L” →“H”) • Both rising and falling waveforms When the next waveform is input to P31/INT1 pin • Falling waveform (“H” →“L”) • Rising waveform (“L” →“H”) • Both rising and falling waveforms Valid wavefor m selection bit I11 I12 I21 I22 Fig. 17 External interrupt circuit structure EXTERNAL INTERRUPTS The 4513/4514 Group has two external interrupts (external 0 and external 1). An external interrupt request occurs when a valid waveform is input to an interrupt input pin (edge detection). The external interrupts can be controlled with the interrupt control registers I1 and I2. 0 1 I22 0 1 EXF1 I21 SNZI1 P31/INT1 0 1 I12 Wakeup Skip 0 1 EXF0 I11 SNZI0 P30/INT0 Rising Falling One-sided edge detection circuit Both edges detection circuit External 0 interrupt External 1 interrupt Wakeup Skip Rising Falling One-sided edge detection circuit Both edges detection circuit This symbol represents a parasitic diode on the port. |
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