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PM0056 数据表(PDF) 5 Page - STMicroelectronics |
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PM0056 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 156 page ![]() DocID15491 Rev 5 5/156 PM0056 Contents 4.1 About the STM32 core peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 4.2 Memory protection unit (MPU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105 4.2.1 MPU access permission attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . 106 4.2.2 MPU mismatch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 4.2.3 Updating an MPU region . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 4.2.4 MPU design hints and tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 4.2.5 MPU type register (MPU_TYPER) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 4.2.6 MPU control register (MPU_CR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 4.2.7 MPU region number register (MPU_RNR) . . . . . . . . . . . . . . . . . . . . . 113 4.2.8 MPU region base address register (MPU_RBAR) . . . . . . . . . . . . . . . . 114 4.2.9 MPU region attribute and size register (MPU_RASR) . . . . . . . . . . . . . 116 4.3 Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . .118 4.3.1 The CMSIS mapping of the Cortex-M3 NVIC registers . . . . . . . . . . . . 119 4.3.2 Interrupt set-enable registers (NVIC_ISERx) . . . . . . . . . . . . . . . . . . . . 120 4.3.3 Interrupt clear-enable registers (NVIC_ICERx) . . . . . . . . . . . . . . . . . . 121 4.3.4 Interrupt set-pending registers (NVIC_ISPRx) . . . . . . . . . . . . . . . . . . . 122 4.3.5 Interrupt clear-pending registers (NVIC_ICPRx) . . . . . . . . . . . . . . . . . 123 4.3.6 Interrupt active bit registers (NVIC_IABRx) . . . . . . . . . . . . . . . . . . . . . 124 4.3.7 Interrupt priority registers (NVIC_IPRx) . . . . . . . . . . . . . . . . . . . . . . . . 125 4.3.8 Software trigger interrupt register (NVIC_STIR) . . . . . . . . . . . . . . . . . 126 4.3.9 Level-sensitive and pulse interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . 126 4.3.10 NVIC design hints and tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 4.3.11 NVIC register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 4.4 System control block (SCB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129 4.4.1 Auxiliary control register (SCB_ACTLR) . . . . . . . . . . . . . . . . . . . . . . . 129 4.4.2 CPUID base register (SCB_CPUID) . . . . . . . . . . . . . . . . . . . . . . . . . . 130 4.4.3 Interrupt control and state register (SCB_ICSR) . . . . . . . . . . . . . . . . . 131 4.4.4 Vector table offset register (SCB_VTOR) . . . . . . . . . . . . . . . . . . . . . . 133 4.4.5 Application interrupt and reset control register (SCB_AIRCR) . . . . . . 134 4.4.6 System control register (SCB_SCR) . . . . . . . . . . . . . . . . . . . . . . . . . . 136 4.4.7 Configuration and control register (SCB_CCR) . . . . . . . . . . . . . . . . . . 137 4.4.8 System handler priority registers (SHPRx) . . . . . . . . . . . . . . . . . . . . . 138 4.4.9 System handler control and state register (SCB_SHCSR) . . . . . . . . . 140 4.4.10 Configurable fault status register (SCB_CFSR) . . . . . . . . . . . . . . . . . 142 4.4.11 Hard fault status register (SCB_HFSR) . . . . . . . . . . . . . . . . . . . . . . . . 145 4.4.12 Memory management fault address register (SCB_MMFAR) . . . . . . . 147 4.4.13 Bus fault address register (SCB_BFAR) . . . . . . . . . . . . . . . . . . . . . . . 147 |
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