I2S DMA Configuration Register 2. Contains control information for DMA request 2.
| RX_DMA2_ENABLE | When 1, enables DMA1 for I2S receive. |
| TX_DMA2_ENABLE | When 1, enables DMA1 for I2S transmit. |
| RESERVED | Reserved. |
| RX_DEPTH_DMA2 | Set the FIFO level that triggers a receive DMA request on DMA2. |
| RESERVED | Reserved, user software should not write ones to reserved bits. The value read from a reserved bit is not defined. |
| TX_DEPTH_DMA2 | Set the FIFO level that triggers a transmit DMA request on DMA2. |
| RESERVED | Reserved, user software should not write ones to reserved bits. The value read from a reserved bit is not defined. |