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ST STM32L4+ Series Reference Manual page 10

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Contents
9.2.12
10
Peripherals interconnect matrix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366
10.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366
10.2
Connection summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366
10.3
Interconnection details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367
10.3.1
10.3.2
10.3.3
10.3.4
10.3.5
10.3.6
10.3.7
10.3.8
10.3.9
10.3.10 From ADC (ADC1) to ADC (ADC2) . . . . . . . . . . . . . . . . . . . . . . . . . . . 371
10.3.11 From USB to timer (TIM2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372
10.3.12 From internal analog source to ADC and OPAMP
10.3.13 From comparators (COMP1/COMP2) to timers
10.3.14 From system errors to timers (TIM1/TIM8/TIM15/TIM16/TIM17) . . . . 373
10.3.15 From timers (TIM16/TIM17) to IRTIM . . . . . . . . . . . . . . . . . . . . . . . . . 374
10.3.16 From ADC (ADC1/ADC2) to DFSDM . . . . . . . . . . . . . . . . . . . . . . . . . . 374
11
Direct memory access controller (DMA) . . . . . . . . . . . . . . . . . . . . . . . 375
11.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 375
11.2
DMA main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 375
11.3
DMA implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 376
11.3.1
11.3.2
11.4
DMA functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 376
11.4.1
10/2301
SYSCFG register map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364
From timer (TIM1/TIM2/TIM3/TIM4/TIM5/TIM8/TIM15/TIM16/TIM17)
to timer (TIM1/TIM2/TIM3/TIM4/TIM5/TIM8/TIM15) . . . . . . . . . . . . . . 367
From timer (TIM1/TIM2/TIM3/TIM4/TIM6/TIM8/TIM15) and EXTI
to ADC (ADC1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 368
From ADC to timer (TIM1/TIM8) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369
From timer (TIM2/TIM4/TIM5/TIM6/TIM7/TIM8) and EXTI to DAC
(DAC1/DAC2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369
From timer (TIM1/TIM3/TIM4/TIM6/TIM7/TIM8/TIM16/LPTIM1/LPTIM2)
and EXTI to DFSDM1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369
From DFSDM1 to timer (TIM1/TIM8/TIM15/TIM16/TIM17) . . . . . . . . . 370
From HSE, LSE, LSI, MSI, MCO, RTC to timer
(TIM2/TIM15/TIM16/TIM17) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370
From RTC, COMP1, COMP2 to low-power timer (LPTIM1/LPTIM2) . . 371
From timer (TIM1/TIM2/TIM3/TIM8/TIM15) to comparators
(COMP1/COMP2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371
(OPAMP1/OPAM2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372
(TIM1/TIM2/TIM3/TIM8/TIM15/TIM16/TIM17) . . . . . . . . . . . . . . . . . . . 373
DMA1 and DMA2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 376
DMA request mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 376
DMA block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 376
RM0432 Rev 6
RM0432

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