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DSPIC33EP64GS802T-E/MM 数据表(PDF) 84 Page - Microchip Technology |
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DSPIC33EP64GS802T-E/MM 数据表(HTML) 84 Page - Microchip Technology |
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84 / 484 page ![]() dsPIC33EPXXXGS70X/80X FAMILY DS70005258C-page 84 2016-2018 Microchip Technology Inc. REGISTER 7-1: SR: CPU STATUS REGISTER(1) R/W-0 R/W-0 R/W-0 R/W-0 R/C-0 R/C-0 R-0 R/W-0 OA OB SA SB OAB SAB DA DC bit 15 bit 8 R/W-0(3) R/W-0(3) R/W-0(3) R-0 R/W-0 R/W-0 R/W-0 R/W-0 IPL2(2) IPL1(2) IPL0(2) RA N OV Z C bit 7 bit 0 Legend: C = Clearable bit R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’= Bit is set ‘0’ = Bit is cleared x = Bit is unknown bit 7-5 IPL<2:0>: CPU Interrupt Priority Level Status bits(2,3) 111 = CPU Interrupt Priority Level is 7 (15); user interrupts are disabled 110 = CPU Interrupt Priority Level is 6 (14) 101 = CPU Interrupt Priority Level is 5 (13) 100 = CPU Interrupt Priority Level is 4 (12) 011 = CPU Interrupt Priority Level is 3 (11) 010 = CPU Interrupt Priority Level is 2 (10) 001 = CPU Interrupt Priority Level is 1 (9) 000 = CPU Interrupt Priority Level is 0 (8) Note 1: For complete register details, see Register 3-1. 2: The IPL<2:0> bits are concatenated with the IPL<3> bit (CORCON<3>) to form the CPU Interrupt Priority Level. The value in parentheses indicates the IPL, if IPL<3> = 1. User interrupts are disabled when IPL<3> = 1. 3: The IPL<2:0> Status bits are read-only when the NSTDIS bit (INTCON1<15>) = 1. |
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