STMicroelectronics STM32WL5 Series Reference Manual page 16

Advanced arm-based 32-bit mcus with sub-ghz radio solution
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Contents
11.2.11
11.2.12 SYSCFG CPU1 interrupt mask register 2 (SYSCFG_IMR2) . . . . . . . . 441
11.2.13 SYSCFG CPU2 interrupt mask register 1 (SYSCFG_C2IMR1) . . . . . 441
11.2.14 SYSCFG CPU2 interrupt mask register 2 (SYSCFG_C2IMR2) . . . . . 443
11.2.15 SYSCFG radio debug control register (SYSCFG_RFDCR) . . . . . . . . 443
11.2.16 SYSCFG register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 444
12
Peripherals interconnect matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446
12.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446
12.2
Connection summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446
12.3
Interconnection details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447
12.3.1
12.3.2
12.3.3
12.3.4
12.3.5
12.3.6
12.3.7
12.3.8
12.3.9
12.3.10 From comparators (COMP1/COMP2) to timers
12.3.11 From system errors to timers (TIM1/TIM16/TIM17) . . . . . . . . . . . . . . . 452
12.3.12 From timers (TIM16/TIM17) to IRTIM . . . . . . . . . . . . . . . . . . . . . . . . . 452
12.3.13 From timer (LPTIM1/LPTIM2/LPTIM3/GPIO pin EXTI)
12.3.14 From timer (LPTIM3) to sub-GHz radio SPI NSS . . . . . . . . . . . . . . . . 453
13
Direct memory access controller (DMA) . . . . . . . . . . . . . . . . . . . . . . . 454
13.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 454
13.2
DMA main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 454
13.3
DMA implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 455
13.3.1
13.3.2
13.4
DMA functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 456
13.4.1
16/1450
SYSCFG CPU1 interrupt mask register 1 (SYSCFG_IMR1) . . . . . . . . 440
From timer (TIM1/TIM2/TIM17) to timer (TIM1/TIM2) . . . . . . . . . . . . . 447
From timer (LPTIM1/LPTIM2) to timer (LPTIM3) . . . . . . . . . . . . . . . . . 448
From timer (TIM1/TIM2) and GPIO pin EXTI to ADC/DAC . . . . . . . . . 448
From timer (LPTIM1/LPTIM2) to DAC . . . . . . . . . . . . . . . . . . . . . . . . . 449
From ADC to timer (TIM1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 449
From HSE32, LSE, LSI, MSI, MCO, RTC to timers
(TIM2/TIM16/TIM17) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 449
From RTC, TAMP, COMP1, COMP2 to low-power timers
(LPTIM1/LPTIM2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450
From timer (TIM1/TIM2) to comparators (COMP1/COMP2) . . . . . . . . 450
From internal analog to ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 451
(TIM1/TIM2/TIM16/TIM17) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 451
to DMAMUX1 trigger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 452
DMA1 and DMA2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 455
DMA request mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 455
DMA block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 456
RM0453 Rev 5
RM0453

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