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AN4228 Datasheet(PDF) 23 Page - STMicroelectronics

No. de pieza AN4228
Descripción Electrónicos  Migrating from STM32F1 to STM32F3 microcontrollers
PDF  90 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4228 Datasheet(HTML) 23 Page - STMicroelectronics

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AN4228
Peripheral migration
89
3.5
DMA interface
STM32F1 and STM32F3 series use the same fully compatible DMA controller.
The table below presents the correspondence between the DMA requests of the peripherals
in STM32F1 series and STM32F3 series.
The STM32F303/302xB/C has two DMA controllers with 12 channels in total (as STM32F1),
the STM32F302/301/303x6/8 has 1 DMA controller with 7 channels
Table 12. DMA request differences between STM32F3xx and STM32F1xx(1)
Peripheral
DMA request
STM32F1xx
STM32F30xx(2)
STM32F37x
ADC2
ADC2
NA
DMA2_Channel1
DMA2_Channel3
NA
ADC3
ADC3
DMA2_Channel5
DMA2_Channel5
NA
ADC4
ADC4
NA
DMA2_Channel2
DMA2_Channel4
NA
SDADC
SDADC1
SDADC2
SDADC3
NA
NA
DMA2_Channel3
DMA2_Channel4
DMA2_Channel5
SPI4(3)
SPI4_RX
SPI4_TX
NA
DMA2_Channel4
DMA2_Channel5
NA
TIM6/DAC1_CH1
TIM7/DAC1_CH2
DAC1_Channel1
DAC1_Channel2
DMA2_Channel3
DMA2_Channel4
DMA2_Channel3
DMA1_Channel3
DMA2_Channel4
DMA1_Channel4
DMA2_Channel3
DMA1_Channel3
DMA1_Channel4
DMA2_Channel4
TIM18/DAC2
DAC2_Channel1
DAC2_Channel2
NA
NA
DMA2_Channel5
DMA1_Channel5
UART4
UART4_Rx
UART4_Tx
DMA2_Channel3
DMA2_Channel5
DMA2_Channel3
DMA2_Channel5
NA
UART5
UART5_Rx
UART5_Tx
DMA2_Channel4
DMA2_Channel1
NA
NA
I2C3(4)
I2C3_Rx
I2C3_Rx
NA
DMA1_Channel2
DMA1_Channel1
NA
SDIO
SDIO
DMA2_Channel4
NA
NA
TIM1
TIM1_UP
TIM1_CH1
TIM1_CH2
TIM1_CH3
TIM1_CH4
TIM1_TRIG
TIM1_COM
DMA1_Channel5
DMA1_Channel2
DMA1_Channel3
DMA1_Channel6
DMA1_Channel4
DMA1_Channel4
DMA1_Channel4
DMA1_Channel5
DMA1_Channel2
DMA1_Channel3
DMA1_Channel6
DMA1_Channel4
DMA1_Channel4
DMA1_Channel4
NA



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