Intel® Core™ Ultra 200V Series Processors SOC I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 831520 | 09/03/2024 | 001 | Public |
Active LTR Value (ACTIVELTR_VALUE) – Offset 210
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31 | 0h | RO | RESERVED (RESERVED3)
|
| 30:29 | 0h | NA | RESERVED (RESERVED2)
|
| 28:26 | 0h | RO | RESERVED (RESERVED1)
|
| 25:16 | 0h | RO | RESERVED (RESERVED0)
|
| 15 | 0h | RW | Snoop Requirement (snoop_requirment) If the Requirement (bit 15) is clear, that indicates that the device has no LTR |
| 14:13 | 0h | NA | Reserved (reserved_low)
|
| 12:10 | 2h | RW | SW LTR Snoop Scale (i2c_sw_ltr_snoop_scale_reg_12_10) Support for codes 010 (1us) or 011 (32us) for Snoop Latency Scale(1us -> 32ms total span) only. Writes to this CSR which dont match those values will be dropped completely, next read will return previous value. |
| 9:0 | 0h | RW | snoop_value (snoop_value) 10-bit latency value |