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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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PM0056 Datenblatt(PDF) 18 Page - STMicroelectronics |
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PM0056 Datenblatt(HTML) 18 Page - STMicroelectronics |
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18 / 156 page  The Cortex-M3 processor PM0056 18/156 DocID15491 Rev 5 Interrupt program status register The IPSR contains the exception type number of the current Interrupt Service Routine (ISR). See the register summary in Table 2 on page 14 for its attributes. The bit assignments are: Table 5. IPSR bit definitions Bits Description Bits 31:9 Reserved Bits 8:0 ISR_NUMBER: This is the number of the current exception: 0: Thread mode 1: Reserved 2: NMI 3: Hard fault 4: Memory management fault 5: Bus fault 6: Usage fault 7: Reserved .... 10: Reserved 11: SVCall 12: Reserved for Debug 13: Reserved 14: PendSV 15: SysTick 16: IRQ0(1) .... .... 83: IRQ67(1) see Exception types on page 33 for more information. 1. See STM32 product reference manual/datasheet for more information on interrupt mapping |
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