1Allocation of DMA Streams 2 3DMA1: 4Stream#0: Channel#1 (I2C1_RX) I2C1_DMA_RX_CFG_A i2c-to-AP 5Stream#1: Channel#1 (I2C3_RX) I2C3_DMA_RX_CFG_A i2c-to-ext 6Stream#2: Channel#7 (I2C2_RX) I2C2_DMA_RX_CFG_A i2c-to-sens 7Stream#3: Channel#0 (SPI2_RX) SPI2_DMA_RX_CFG spi-to-sens 8Stream#4: Channel#0 (SPI2_TX) SPI2_DMA_TX_CFG spi-to-sens 9Stream#5: Channel#6 (I2C3_TX) I2C3_DMA_TX_CFG_B i2c-to-sens 10Stream#6: Channel#1 (I2C1_TX) I2C1_DMA_TX_CFG_B i2c-to-AP 11Stream#7: Channel#7 (I2C2_TX) I2C2_DMA_TX_CFG i2c-to-sens 12 13DMA2: 14Stream#0: 15Stream#1: 16Stream#2: Channel#3 (SPI1_RX) SPI1_DMA_RX_CFG_B spi-to-AP 17Stream#3: Channel#2 (I2S5_RX) SPI5_DMA_RX_CFG_A i2s-to-mic 18Stream#4: Channel#2 (I2S5_TX) SPI5_DMA_TX_CFG_A i2s-to-mic 19Stream#5: Channel#3 (SPI1_TX) SPI1_DMA_TX_CFG_B spi-to-AP 20Stream#6: 21Stream#7: 22