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データシートサーチシステム |
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データシートサーチシステム |
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4250 データシート(PDF) 19 Page - Renesas Technology Corp |
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4250 データシート(HTML) 19 Page - Renesas Technology Corp |
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19 / 59 page  18 MITSUBISHI MICROCOMPUTERS 4250 Group SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER EXTERNAL INTERRUPTS The 4250 Group has an external interrupt. An external interrupt request occurs when a valid waveform is input to an interrupt input pin (edge detection). The external interrupt can be controlled with the key-on wakeup control register K0. Table 7 External interrupt activated condition Name External interrupt Input pin G0/INT Valid waveform Falling waveform (“H” →“L”) Rising waveform (“L” →“H”) Valid waveform selection bit(K02) 1 0 Fig. 17 External interrupt circuit structure OGA instruction D T Q IAG instruction Register A A0 PU00 G0/INT pin Pull-up transistor EXF0 Key-on wakeup input K02 0 1 Falling Rising External interrupt (Note) This symbol represents a parasitic diode. Note: Applied potential to port G0 must be VDD or less. One-sided edge detection circuit |
同様の部品番号 - 4250 |
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同様の説明 - 4250 |
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