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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ST72321R7-Auto датащи(PDF) 53 Page - STMicroelectronics |
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ST72321R7-Auto датащи(HTML) 53 Page - STMicroelectronics |
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53 / 243 page  ST72321xx-Auto Interrupts Doc ID 13829 Rev 1 53/243 Figure 20. Nested interrupt management 7.5 Interrupt register description 7.5.1 CPU CC register interrupt bits These two bits indicate the current interrupt software priority (see Table 17) and are set/cleared by hardware when entering in interrupt. The loaded value is given by the corresponding bits in the interrupt software priority registers (ISPRx). They can be also set/cleared by software with the RIM, SIM, HALT, WFI, IRET and PUSH/POP instructions (see Table 19: Interrupt dedicated instruction set). MAIN IT2 TRAP MAIN IT0 3 2 1 3 3 3/0 3 11 00 01 11 11 11 RIM IT1 IT4 IT4 IT1 IT2 IT3 I1 I0 11 / 10 10 SOFTWARE PRIORITY LEVEL CPU CC Reset value: 111x 1010 (xAh) 76 543 21 0 11 I1 H I0 NZC RW RW RW RW RW RW Table 16. CPU CC register interrupt bits description Bit Name Function 5I1 Interrupt Software Priority 1 3I0 Interrupt Software Priority 0 |
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