12th Generation Intel® Core™ Processors Datasheet Volume 2 of 2
ID | Date | Version | Classification |
---|---|---|---|
767625 | 07/13/2023 | Public |
ACT Command Timing (TC_ACT_0_0_0_MCHBAR) – Offset E008
DDR timing constraints related to ACT commands
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
31:24 | 0x18 | RW | tREFSBRD Timing (trefsbrd) Enforces minimum delay from refsb to ACT. Specified in tCK |
23:22 | 0h | RO | Reserved |
21:15 | 0x4 | RW | tRRD Different Group (tRRD_dg) Holds DDR timing parameter tRRD. |
14:9 | 0x4 | RW | tRRD Same Group (tRRD_sg) Holds DDR timing parameter tRRD/tRRD_L. |
8:0 | 0x10 | RW | tFAW Timing Parameter (tFAW) Holds DDR timing parameter tFAW (four activates window). In tCK (WCK for LPDDR5) cycles |