Intel® Core™ Ultra Series 3 Processors I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 872352 | 04/14/2026 | 001 | Public |
IP MCP CmdCtrl (IP_MCP_3_CmdCtrl) – Offset 4c108
Command Control Register - used for debug purposes - Please note that any change to this register needs to be confirmed using the MCP_ConfigUpdate register before the changes take effect.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:6 | 0h | RO | (Reserved0) Reserved field. |
| 5 | 0h | RW | (SSPEnable) Enable control of SSP bit from software-generated PING |
| 4 | 0h | RW | (DsyncEnable) Enable control of Dynamic Sync field from software-generated PING |
| 3 | 0h | RW | (SsyncEnable) Enable control of Static Sync field from software-generated PING |
| 2 | 0h | RW | (InsParErr) Insert parity error to the commands from TX_FIFO |
| 1 | 0h | RW | (InsNAK) Insert NAK to the commands from TX_FIFO |
| 0 | 0h | RW | (InsACK) Insert ACK to the commands from TX_FIFO |