Intel® Core™ Ultra Series 3 Processors I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 872352 | 04/14/2026 | 001 | Public |
iDisp-A Link Wall Frame Counter (IDALWALFC) – Offset c98
This register reports the wall frame counter for specific link.
If LCAP.ALT = 1, this register is Reserved.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:9 | 0h | RO/V | Frame Number (FN) 23 bit counter that is incremented when CIF rolls over from 499 to 0. This counter will roll over to zero with a period of approximately 174 seconds. |
| 8:0 | 0h | RO/V | Clock in Frame (CIF) 9 bit counter that is incremented on each link BCLK period and rolls over from 499 to 0. This counter will roll over to zero with a period of 48 KHz HD Audio frame. |