Intel® Core™ Ultra Series 3 Processors I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 872352 | 04/14/2026 | 001 | Public |
SSP x Programmable Serial Protocol 2 (I2S1_SSPSP2) – Offset 29144
This register is an extension of the SSP programmable serial protocol register.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:16 | 0h | RO | Reserved (Preserved) (RSVD31) SW must preserve the original value when writing. |
| 15:14 | 0h | RW | Extended Serial Frame Width 2 (ESFRMWDTH2) Programmed additional extension MSB value sets frame width, this register combines with SSxPSP.ESFRMWDTH and SSxPSP.SFRMWDTH for actual Serial Frame Width upto 1024, higher values are reserved. |
| 13:12 | 0h | RW | Extended Frame End Padding (EFEP) Programmed MSB value sets the number of SCLK cycles that appear at the end of a frame, after any dummy stop clocks. For network mode, this frame end padding ONLY happens on the last slot of a frame. |
| 11:8 | 0h | RO | Reserved |
| 7:0 | 0h | RW | Frame End Padding (FEP) Programmed LSB value sets the number of SCLK cycles that appear at the end of a frame, after any dummy stop clocks. For network mode, this frame end padding ONLY happens on the last slot of a frame. |