AN4651 datasheet(13/34 Pages) STMICROELECTRONICS

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AN4651

Interconnection descriptions

3.1

DMA interconnections

Peripherals manage the hardware DMA requests. Table 3 lists the DMA channels dedicated

to each peripheral.

Table 3. DMA interconnections in STM32F3 series devices(1)

Peripheral

STM32F303xB/CD/E

STM32F302xB/C/D/E

STM32F398xE

STM32F358xC

STM32F303x6/8

STM32F328x8

STM32F334x4/6/8

STM32302x6/8

STM32F373x8/B/C

STM32F378xC

ADC1

DMA1_Ch1

ADC2

DMA2_Ch1

DMA2_Ch3

DMA1_Ch2

DMA1_Ch4

ADC3

DMA2_Ch5

ADC4

DMA2_Ch2

DMA2_Ch4

SPI1

DMA1_Ch2 (SPI1_RX)

DMA1_Ch3 (SPI1_TX)

DMA1_Ch2/Ch4/Ch6

(SPI1_RX)

DMA1_Ch3/Ch5/CH7

(SPI1_TX)

DMA1_Ch2 (SPI1_RX)

DMA1_Ch3 (SPI1_TX)

SPI2

DMA1_Ch4 (SPI2_RX)

DMA1_Ch5 (SPI2_TX)

DMA1_Ch4 (SPI2_RX)

DMA1_Ch5 (SPI2_TX)

SPI3

DMA2_Ch1 (SPI3_RX)

DMA2_Ch2 (SPI3_TX)

DMA1_Ch2 (SPI3_RX)

DMA1_Ch3 (SPI3_TX)

DMA2_Ch1 (SPI3_RX)

DMA2_Ch2 (SPI3_TX)

SPI4

DMA2_Ch4 (SPI4_RX)

DMA2_Ch5 (SPI4_TX)

USART1

DMA1_Ch4 (USART1_TX)

DMA1_Ch5 (USART1_RX)

USART2

DMA1_Ch6 (USART2_RX)

DMA1_Ch7 (USART2_TX)

USART3

DMA1_Ch2 (USART3_TX)

DMA1_Ch3 (USART3_RX)

UART4

DMA2_Ch3 (UART4_RX)

DMA2_Ch5 (UART4_TX)

I2C1

DMA1_Ch6 (I2C1_TX)

DMA1_Ch7 (I2C1_RX)

DMA1_Ch2/Ch4/Ch6

(I2C1_TX)

DMA1_Ch3/Ch5/Ch7

(I2C1_RX)

DMA1_Ch6 (I2C1_TX)

DMA1_Ch7 (I2C1_RX)

I2C2

DMA1_Ch4 (I2C2_TX)

DMA1_Ch5 (I2C2_RX)

DMA1_Ch4 (I2C2_TX)

DMA1_Ch5 (I2C2_RX)

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