Intel® Core™ Ultra Series 3 Processors I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 872352 | 04/14/2026 | 001 | Public |
MCP IntStat (MCP_3_IntStat) – Offset 48144
IP Interrupt Status
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31 | 0h | RW/1C | (IRQ) Main Interrupt Request |
| 30:17 | 0h | RO | (Reserved1) Reserved field. |
| 16 | 0h | RW/1C | (WakeUp) Wake Up Interrupt |
| 15 | 0h | RW/1C | (PeripheryReservedChange) Periphery Reserved Interrupt |
| 14 | 0h | RW/1C | (PeripheryAlertChange) Periphery Alert Interrupt |
| 13 | 0h | RW/1C | (PeripheryAttached) Periphery Attached Interrupt |
| 12 | 0h | RW/1C | (PeripheryNotAttached) Periphery NotAttached Interrupt |
| 11 | 0h | RW/1C | (DPInt) Data Port Interrupt. |
| 10 | 0h | RW/1C | (CtrlBusClash) Command Bus Clash Interrupt |
| 9 | 0h | RW/1C | (DataBusClash) Data Bus Clash Interrupt |
| 8 | 0h | RW/1C | (ParityErr) Parity Error Interrupt |
| 7 | 0h | RW/1C | (CMDError) Command Error Interrupt |
| 6:4 | 0h | RO | (Reserved0) Reserved field. |
| 3 | 0h | RW/1C | (RXNE) RX-FIFO not empty Interrupt |
| 2 | 0h | RW/1C | (RXWL) RX-FIFO watermark Interrupt |
| 1 | 0h | RW/1C | (TXE) TX-FIFO empty Interrupt |
| 0 | 0h | RW/1C | (TXF) TX-FIFO full Interrupt |