Intel® Core™ Ultra Series 3 Processors I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 872352 | 04/14/2026 | 001 | Public |
MCP Stat (MCP_0_Stat) – Offset 30140
IP Status register
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:21 | 0h | RO | (Reserved2) Reserved field. |
| 20 | 0h | RO | (ActiveBank) This bit indicates active bank. |
| 19 | 0h | RO | (BusResetPending) Ongoing Bus Reset generation |
| 18 | 0h | RO | (BusOwnership) This bit informs about bus ownership |
| 17 | 0h | RO | (Reserved1) Reserved field. |
| 16 | 0h | RO | (ClockStopped) Manager is in Clock Stop state |
| 15 | 0h | RO | (PeripheryReserved) At least 1 Periphery is in Reserved state, and its corresponding PeripheryIntMask bit is set 1 |
| 14 | 0h | RO | (PeripheryAlert) At least 1 Periphery is in Alert state, and its corresponding PeripheryIntMask bit is set 1 |
| 13 | 0h | RO | (PeripheryAttached) At least 1 Periphery is in Attached, and its corresponding PeripheryIntMask bit is set 1 |
| 12 | 0h | RO | (PeripheryNotAttached) At least 1 Periphery is NotAttached, and its corresponding PeripheryIntMask bit is set 1 |
| 11 | 0h | RO | (DPInt) At least 1 Data Port rised an interrupt. |
| 10:4 | 0h | RO | (Reserved0) Reserved field. |
| 3 | 0h | RO | (RXNE) RX-FIFO not empty flag |
| 2 | 0h | RO | (RXWL) RX-FIFO watermark level flag. This bit informs that at least MCP_FIFOLevel[RX_FIFO_WMark] number of responses are available. |
| 1 | 1h | RO | (TXE) TX_FIFO empty flag. |
| 0 | 0h | RO | (TXF) TX-FIFO full flag. |