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ST7LITE3XF2 数据表(PDF) 36 Page - STMicroelectronics |
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ST7LITE3XF2 数据表(HTML) 36 Page - STMicroelectronics |
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36 / 173 page  ST7LITE3xF2 36/173 INTERRUPTS (cont’d) Figure 20. Interrupt Processing Flowchart Table 6. Interrupt Mapping Note 1: This interrupt exits the MCU from “Auto Wake-up from Halt” mode only. Note 2: These interrupts exit the MCU from “ACTIVE-HALT” mode only. N° Source Block Description Register Label Priority Order Exit from HALT Address Vector RESET Reset N/A Highest Priority Lowest Priority yes FFFEh-FFFFh TRAP Software Interrupt no FFFCh-FFFDh 0 AWU 7 Interrupt AWUCSR yes1) FFFAh-FFFBh 1 ei0 External Interrupt 0 N/A yes FFF8h-FFF9h 2 ei1 External Interrupt 1 FFF6h-FFF7h 3 ei2 External Interrupt 2 FFF4h-FFF5h 4 ei3 External Interrupt 3 FFF2h-FFF3h 5 LITE TIMER LITE TIMER RTC2 interrupt LTCSR2 no FFF0h-FFF1h 6 LINSCI LINSCI Interrupt SCICR1/ SCICR2 no FFEEh-FFEFh 7 SI AVD interrupt SICSR no FFECh-FFEDh 8 AT TIMER AT TIMER Output Compare Interrupt or Input Capture Interrupt PWMxCSR or ATCSR no FFEAh-FFEBh 9 AT TIMER Overflow Interrupt ATCSR yes2) FFE8h-FFE9h 10 LITE TIMER LITE TIMER Input Capture Interrupt LTCSR no FFE6h-FFE7h 11 LITE TIMER RTC1 Interrupt LTCSR yes2) FFE4h-FFE5h 12 SPI SPI Peripheral Interrupts SPICSR yes FFE2h-FFE3h 13 AT TIMER AT TIMER Overflow Interrupt 2 ATCSR2 no FFE0h-FFE1h I BIT SET? Y N IRET? Y N FROM RESET LOAD PC FROM INTERRUPT VECTOR STACK PC, X, A, CC SET I BIT FETCH NEXT INSTRUCTION EXECUTE INSTRUCTION THIS CLEARS I BIT BY DEFAULT RESTORE PC, X, A, CC FROM STACK INTERRUPT Y N PENDING? 1 |
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