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ST STM32G4 Series User Manual

ST STM32G4 Series
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RM0440 Rev 4 13/2126
RM0440 Contents
48
13.6.3 DMAMUX request line multiplexer interrupt clear flag register
(DMAMUX_CFR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 436
13.6.4 DMAMUX request generator channel x configuration register
(DMAMUX_RGxCR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437
13.6.5 DMAMUX request generator interrupt status register
(DMAMUX_RGSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 438
13.6.6 DMAMUX request generator interrupt clear flag register
(DMAMUX_RGCFR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 438
13.6.7 DMAMUX register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 439
14 Nested vectored interrupt controller (NVIC) . . . . . . . . . . . . . . . . . . . . 441
14.1 NVIC main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 441
14.2 SysTick calibration value register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 441
14.3 Interrupt and exception vectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 442
15 Extended interrupts and events controller (EXTI) . . . . . . . . . . . . . . . 446
15.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446
15.2 EXTI main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446
15.3 EXTI functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446
15.3.1 EXTI block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447
15.3.2 Wakeup event management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447
15.3.3 Peripherals asynchronous Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . 448
15.3.4 Hardware interrupt selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 448
15.3.5 Hardware event selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 448
15.3.6 Software interrupt/event selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 448
15.4 EXTI interrupt/event line mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 448
15.5 EXTI registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 451
15.5.1 Interrupt mask register 1 (EXTI_IMR1) . . . . . . . . . . . . . . . . . . . . . . . . 451
15.5.2 Event mask register 1 (EXTI_EMR1) . . . . . . . . . . . . . . . . . . . . . . . . . . 451
15.5.3 Rising trigger selection register 1 (EXTI_RTSR1) . . . . . . . . . . . . . . . . 452
15.5.4 Falling trigger selection register 1 (EXTI_FTSR1) . . . . . . . . . . . . . . . . 452
15.5.5 Software interrupt event register 1 (EXTI_SWIER1) . . . . . . . . . . . . . . 453
15.5.6 Pending register 1 (EXTI_PR1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 455
15.5.7 Interrupt mask register 2 (EXTI_IMR2) . . . . . . . . . . . . . . . . . . . . . . . . 455
15.5.8 Event mask register 2 (EXTI_EMR2) . . . . . . . . . . . . . . . . . . . . . . . . . . 456
15.5.9 Rising trigger selection register 2 (EXTI_RTSR2) . . . . . . . . . . . . . . . . 456
15.5.10 Falling trigger selection register 2 (EXTI_FTSR2) . . . . . . . . . . . . . . . . 458

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ST STM32G4 Series Specifications

General IconGeneral
BrandST
ModelSTM32G4 Series
CategoryMicrocontrollers
LanguageEnglish

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