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ST STM32L4 5 Series User Manual

ST STM32L4 5 Series
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Contents RM0351
10/1830 DocID024597 Rev 5
10.3.3 From ADC (ADC1/ADC2/ADC3) to timer (TIM1/TIM8) . . . . . . . . . . . . 327
10.3.4 From timer (TIM2/TIM4/TIM5/TIM6/TIM7/TIM8) and EXTI to DAC
(DAC1/DAC2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328
10.3.5 From timer (TIM1/TIM3/TIM4/TIM6/TIM7/TIM8/TIM16) and EXTI to
DFSDM1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328
10.3.6 From DFSDM1 to timer (TIM1/TIM8/TIM15/TIM16/TIM17) . . . . . . . . . 328
10.3.7 From HSE, LSE, LSI, MSI, MCO, RTC to timer
(TIM2/TIM15/TIM16/TIM17) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329
10.3.8 From RTC, COMP1, COMP2 to low-power timer (LPTIM1/LPTIM2) . . 329
10.3.9 From timer (TIM1/TIM2/TIM3/TIM8/TIM15) to comparators
(COMP1/COMP2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
10.3.10 From ADC (ADC1) to ADC (ADC2) . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
10.3.11 From USB to timer (TIM2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
10.3.12 From internal analog source to ADC (ADC1/ADC2/ADC3) and OPAMP
(OPAMP1/OPAM2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
10.3.13 From comparators (COMP1/COMP2) to timers
(TIM1/TIM2/TIM3/TIM8/TIM15/TIM16/TIM17) . . . . . . . . . . . . . . . . . . . 331
10.3.14 From system errors to timers (TIM1/TIM8/TIM15/TIM16/TIM17) . . . . 332
10.3.15 From timers (TIM16/TIM17) to IRTIM . . . . . . . . . . . . . . . . . . . . . . . . . 332
10.3.16 From ADC (ADC1/ADC2/ADC3) to DFSDM (only for
STM32L496xx/4A6xx devices) 333
11 Direct memory access controller (DMA) . . . . . . . . . . . . . . . . . . . . . . . 334
11.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334
11.2 DMA main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334
11.3 DMA implementation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334
11.4 DMA functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
11.4.1 DMA transactions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
11.4.2 Arbiter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
11.4.3 DMA channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
11.4.4 Programmable data width, data alignment and endians . . . . . . . . . . . 338
11.4.5 Error management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339
11.4.6 DMA interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339
11.4.7 DMA request mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340
11.5 DMA registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344
11.5.1 DMA interrupt status register (DMA_ISR) . . . . . . . . . . . . . . . . . . . . . . 344
11.5.2 DMA interrupt flag clear register (DMA_IFCR) . . . . . . . . . . . . . . . . . . 345
11.5.3 DMA channel x configuration register (DMA_CCRx)
(x = 1..7 , where x = channel number) . . . . . . . . . . . . . . . . . . . . . . . . 346

Table of Contents

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ST STM32L4 5 Series Specifications

General IconGeneral
BrandST
ModelSTM32L4 5 Series
CategoryMicrocontrollers
LanguageEnglish

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