I2S Interrupt Request Control Register. Contains bits that control how the I2S interrupt request is generated.
| RX_IRQ_ENABLE | When 1, enables I2S receive interrupt. |
| TX_IRQ_ENABLE | When 1, enables I2S transmit interrupt. |
| RESERVED | Reserved. |
| RX_DEPTH_IRQ | Set the FIFO level on which to create an irq request. |
| RESERVED | Reserved, user software should not write ones to reserved bits. The value read from a reserved bit is not defined. |
| TX_DEPTH_IRQ | Set the FIFO level on which to create an irq request. |
| RESERVED | Reserved, user software should not write ones to reserved bits. The value read from a reserved bit is not defined. |