12th Generation Intel® Core™ Processors Datasheet Volume 2 of 2
| ID | Date | Version | Classification |
|---|---|---|---|
| 767625 | 07/13/2023 | Public |
Port VC Capability Register 1 (PVCCR1) – Offset 284
Port VC Capability Register 1
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:12 | 0x0 | RO | Reserved (RSVD_M) Reserved. |
| 11:10 | 0x0 | RO | Function Arbitration Table Entry Size (FARES) Indicates the size (in bits) of Function Arbitration table entry in the device. |
| 9:8 | 0x0 | RO | Reference Clock (RC) Indicates the reference clock for Virtual Channels that support time-based WRR Function Arbitration. |
| 7 | 0h | RO | Reserved |
| 6:4 | 0x0 | RO | Low Priority Extended VC Count (LPEVCC) Indicates the number of (extended) Virtual Channels in addition to the default VC belonging to the low-priority VC (LPVC) group that has the lowest priority with respect to other VC resources in a strictpriority VC Arbitration. The minimum value of this field is 000b and the maximum value is Extended VC Count. |
| 3 | 0h | RO | Reserved |
| 2:0 | 0x0 | RW/O | Extended VC Count (EVCC) Indicates the number of (extended) Virtual Channels in addition to the default VC supported by the device. |