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STM32F411 I2S1 supply dma?

cyan1650
Associate
Posted on March 26, 2015 at 09:02

Hi,

I want use I2S function on ST411

I2S1(SPI1) can work on DMA Mode?

I check

DMA1 request mapping

 

Only have I2S2 , I2S3 

but in my design need SDIO (SPI2,SPI3)

#i2s-stm32f411
2 REPLIES 2
Posted on March 26, 2015 at 09:32

SPI1/I2S1 is on APB2 thus served by DMA2.

Note, that I2S1 is *not* duplex, i.e. there is no I2S1Ext.

JW
cyan1650
Associate
Posted on March 27, 2015 at 04:39

Hi,jw

the problem is solved

thank a lot