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H8SX/1663M 데이터시트(PDF) 166 Page - Renesas Technology Corp |
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H8SX/1663M 데이터시트(HTML) 166 Page - Renesas Technology Corp |
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166 / 1504 page ![]() Section 7 Interrupt Controller Rev. 2.00 Sep. 24, 2008 Page 134 of 1468 REJ09B0412-0200 Bit Bit Name Initial Value R/W Description 3 IPSETE 0 R/W Interrupt Priority Set Enable Controls the function which automatically assigns the interrupt priority level of the CPU. Setting this bit to 1 automatically sets bits CPUP2 to CPUP0 by the CPU interrupt mask bit (I bit in CCR or bits I2 to I0 in EXR). 0: Bits CPUP2 to CPUP0 are not updated automatically 1: The interrupt mask bit value is reflected in bits CPUP2 to CPUP0 2 1 0 CPUP2 CPUP1 CPUP0 0 0 0 R/(W)* R/(W)* R/(W)* CPU Priority Level 2 to 0 These bits set the CPU priority level. When the CPUPCE is set to 1, the CPU priority control function over the DTC, DMAC and EXDMAC becomes valid and the priority of CPU processing is assigned in accordance with the settings of bits CPUP2 to CPUP0. 000: Priority level 0 (lowest) 001: Priority level 1 010: Priority level 2 011: Priority level 3 100: Priority level 4 101: Priority level 5 110: Priority level 6 111: Priority level 7 (highest) Note: * When the IPSETE bit is set to 1, the CPU priority is automatically updated, so these bits cannot be modified. |
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