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SH7261 bảng dữ liệu(PDF) 158 Page - Renesas Technology Corp |
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SH7261 bảng dữ liệu(HTML) 158 Page - Renesas Technology Corp |
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158 / 1348 page ![]() Section 6 Interrupt Controller (INTC) Rev. 2.00 Sep. 07, 2007 Page 126 of 1312 REJ09B0320-0200 6.3.3 Interrupt Control Register 1 (ICR1) ICR1 is a 16-bit register that specifies the detection mode for external interrupt input pins IRQ7 to IRQ0 individually: low level, falling edge, rising edge, or both edges. ICR1 is initialized by a power-on reset or in deep standby mode. Bit: Initial value: R/W: 15 14 13 12 11 10 9876543210 0 0 0 0 0 0 0 0 0 0 R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W 0 0 0 0 0 0 IRQ7 1S IRQ7 0S IRQ6 1S IRQ6 0S IRQ5 1S IRQ5 0S IRQ4 1S IRQ4 0S IRQ3 1S IRQ3 0S IRQ2 1S IRQ2 0S IRQ1 1S IRQ1 0S IRQ0 1S IRQ0 0S Bit Bit Name Initial Value R/W Description 15 IRQ71S 0 R/W 14 IRQ70S 0 R/W 13 IRQ61S 0 R/W 12 IRQ60S 0 R/W 11 IRQ51S 0 R/W 10 IRQ50S 0 R/W 9 IRQ41S 0 R/W 8 IRQ40S 0 R/W 7 IRQ31S 0 R/W 6 IRQ30S 0 R/W 5 IRQ21S 0 R/W 4 IRQ20S 0 R/W 3 IRQ11S 0 R/W 2 IRQ10S 0 R/W 1 IRQ01S 0 R/W 0 IRQ00S 0 R/W IRQ Sense Select These bits select whether interrupt signals corresponding to pins IRQ7 to IRQ0 are detected by a low level, falling edge, rising edge, or both edges. 00: Interrupt request is detected on low level of IRQn input 01: Interrupt request is detected on falling edge of IRQn input 10: Interrupt request is detected on rising edge of IRQn input 11: Interrupt request is detected on both edges of IRQn input [Legend] n = 7 to 0 |
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