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AN4228 数据表(PDF) 23 Page - STMicroelectronics |
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AN4228 数据表(HTML) 23 Page - STMicroelectronics |
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23 / 90 page  DocID024110 Rev 5 23/90 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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