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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DSPIC33FJMC202ESS датащи(PDF) 22 Page - Microchip Technology |
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DSPIC33FJMC202ESS датащи(HTML) 22 Page - Microchip Technology |
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22 / 330 page  dsPIC33FJ32MC202/204 and dsPIC33FJ16MC304 DS70283K-page 22 © 2007-2012 Microchip Technology Inc. bit 7-5 IPL<2:0>: CPU Interrupt Priority Level Status bits(2) 111 = CPU Interrupt Priority Level is 7 (15), user interrupts 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) bit 4 RA: REPEAT Loop Active bit 1 = REPEAT loop in progress 0 = REPEAT loop not in progress bit 3 N: MCU ALU Negative bit 1 = Result was negative 0 = Result was non-negative (zero or positive) bit 2 OV: MCU ALU Overflow bit This bit is used for signed arithmetic (2’s complement). It indicates an overflow of a magnitude that causes the sign bit to change state. 1 = Overflow occurred for signed arithmetic (in this arithmetic operation) 0 = No overflow occurred bit 1 Z: MCU ALU Zero bit 1 = An operation that affects the Z bit has set it at some time in the past 0 = The most recent operation that affects the Z bit has cleared it (i.e., a non-zero result) bit 0 C: MCU ALU Carry/Borrow bit 1 = A carry-out from the Most Significant bit of the result occurred 0 = No carry-out from the Most Significant bit of the result occurred REGISTER 3-1: SR: CPU STATUS REGISTER (CONTINUED) Note 1: This bit can be read or cleared (not set). 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 NSTDIS = 1 (INTCON1<15>). |
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