12th Generation Intel® Core™ Processors Datasheet Volume 2 of 2
ID | Date | Version | Classification |
---|---|---|---|
767625 | 07/13/2023 | Public |
PTM Capability (PTMCAPR) – Offset 154
PTM Capability
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
31:16 | 0x0 | RO | Reserved (RSVD_M) Reserved. |
15:8 | 0x4 | RW/O | Local Clock Granularity (LCG) 0000 0000b: Time Source does not implement a local clock. It simply propagates timing information obtained from further Upstream in the PTM Hierarchy when responding to PTM Request messages. |
7:5 | 0h | RO | Reserved |
4 | 0x1 | RW/O | PTM Propagation Delay Adaptation Capable (PTMPDAC) When Set, this field indicates the Port supports the PTM Propagation Delay Adaptation Capability. |
3 | 0h | RO | Reserved |
2 | 0x0 | RW/O | PTM Root Capable (PTMRC) Root Ports must set this bit to 1b. |
1 | 0x0 | RW/O | PTM Responder Capable (PTMRSPC) Root Ports are permitted to set this bit to 1b to indicate that they implement the PTM Responder role. |
0 | 0x0 | RO | PTM Requester Capable (PTMREQC) PTM Requester Role is not supported by Root Port. |