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PM0214 数据表(PDF) 7 Page - STMicroelectronics |
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PM0214 数据表(HTML) 7 Page - STMicroelectronics |
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7 / 245 page ![]() DocID022708 Rev 4 7/245 PM0214 Contents 8 4.2.9 MPU region attribute and size register (MPU_RASR) . . . . . . . . . . . . . 189 4.2.10 MPU register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191 4.3 Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . . . 193 4.3.1 Accessing the Cortex-M4 NVIC registers using CMSIS . . . . . . . . . . . 194 4.3.2 Interrupt set-enable registers (NVIC_ISERx) . . . . . . . . . . . . . . . . . . . . 195 4.3.3 Interrupt clear-enable registers (NVIC_ICERx) . . . . . . . . . . . . . . . . . . 196 4.3.4 Interrupt set-pending registers (NVIC_ISPRx) . . . . . . . . . . . . . . . . . . . 197 4.3.5 Interrupt clear-pending registers (NVIC_ICPRx) . . . . . . . . . . . . . . . . . 198 4.3.6 Interrupt active bit registers (NVIC_IABRx) . . . . . . . . . . . . . . . . . . . . . 199 4.3.7 Interrupt priority registers (NVIC_IPRx) . . . . . . . . . . . . . . . . . . . . . . . . 200 4.3.8 Software trigger interrupt register (NVIC_STIR) . . . . . . . . . . . . . . . . . 201 4.3.9 Level-sensitive and pulse interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . 202 4.3.10 NVIC design hints and tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203 4.3.11 NVIC register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204 4.4 System control block (SCB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 4.4.1 Auxiliary control register (ACTLR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207 4.4.2 CPUID base register (CPUID) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208 4.4.3 Interrupt control and state register (ICSR) . . . . . . . . . . . . . . . . . . . . . . 210 4.4.4 Vector table offset register (VTOR) . . . . . . . . . . . . . . . . . . . . . . . . . . . 212 4.4.5 Application interrupt and reset control register (AIRCR) . . . . . . . . . . . 212 4.4.6 System control register (SCR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214 4.4.7 Configuration and control register (CCR) . . . . . . . . . . . . . . . . . . . . . . 215 4.4.8 System handler priority registers (SHPRx) . . . . . . . . . . . . . . . . . . . . . 217 4.4.9 System handler control and state register (SHCSR) . . . . . . . . . . . . . . 219 4.4.10 Configurable fault status register (CFSR; UFSR+BFSR+MMFSR) . . . 221 4.4.11 Usage fault status register (UFSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . 222 4.4.12 Bus fault status register (BFSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223 4.4.13 Memory management fault address register (MMFSR) . . . . . . . . . . . . 224 4.4.14 Hard fault status register (HFSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225 4.4.15 Memory management fault address register (MMFAR) . . . . . . . . . . . . 226 4.4.16 Bus fault address register (BFAR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226 4.4.17 Auxiliary fault status register (AFSR) . . . . . . . . . . . . . . . . . . . . . . . . . . 227 4.4.18 System control block design hints and tips . . . . . . . . . . . . . . . . . . . . . 227 4.4.19 SCB register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228 4.5 SysTick timer (STK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230 4.5.1 SysTick control and status register (STK_CTRL) . . . . . . . . . . . . . . . . 231 4.5.2 SysTick reload value register (STK_LOAD) . . . . . . . . . . . . . . . . . . . . . 232 |
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