Intel® Core™ Ultra Series 3 Processors I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 872352 | 04/14/2026 | 001 | Public |
SSP x Multi Input DMA y Control / Status (I2S1_SSMID5CS) – Offset 291b0
This register controls which DMA FIFO will be active for initiating DMA request and receiving from time slot on the SSP Interface in network mode (SSC0.MOD = 1), and which are ignored if it is not in network mode. It also reporte various status of the DMA FIFO.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31 | 0h | RO | Reserved (Zero) (RSVD31) SW must use zeros for writes. |
| 30 | 0h | RW/1C | Receiver Time-out Interrupt (TINT) 0: No receiver time-out pending. |
| 29 | 0h | RO | Reserved (Zero) (RSVD29) SW must use zeros for writes. |
| 28 | 0h | RW/1C | Receive FIFO Overrun (ROR) 0: Receive FIFO has not experienced an overrun. |
| 27 | 0h | RO/V | Receive FIFO Service Request (RFS) 0: Receive FIFO level is below 1 sample block avail threshold, or SSP disabled. |
| 26 | 0h | RO/V | Receive FIFO Not Empty (RNE) 0: Receive FIFO is empty. |
| 25:24 | 0h | RO | Reserved (Zero) (RSVD25) SW must use zeros for writes. |
| 23:16 | 0h | RO/V | Received FIFO Level (RFL) Number of entries in receive FIFO. |
| 15:2 | 0h | RO | Reserved (Preserved) (RSVD15) SW must preserve the original value when writing. |
| 1 | 0h | RW/V | Receive Service Request Enable (RSRE) 0: DMA Service Request is disabled. |
| 0 | 0h | RW | RX Enable (RXEN) When set to 1, SSP always start receive data in active time slot specified in SSxMIDyTSA.RTSA in the next frame. When cleared to 0, SSP stops receive data in the next frame. |