Intel® Core™ Ultra 200V Series Processors SOC I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 831520 | 09/03/2024 | 001 | Public |
REG PRESENT_STATE_DEBUG (PRESENT_STATE_DEBUG) – Offset 248
Present State debug register is used to get status of Host Controller. The present state of
the Host Controller is divided into mandatory part (this register) and optional part for debug
purposes (PRESENT_STATE_DEBUG), part of Debug Capability registers in Extended Capabilities
list. The fields shall not be repeated between both registers.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:28 | 0h | RO | RSVD28_31 (RSVD28_31) RSVD28_31: These bits in Private State Register are |
| 27:24 | 0h | RO | CMD_TID (CMD_TID) This field reflects the Transaction-ID of the current executing |
| 23:22 | 0h | RO | RSVD22_23 (RSVD22_23) RSVD22_23: These bits in Present State Register are |
| 21:16 | 0h | RO | CM_TFR_ST_STATUS (CM_TFR_ST_STATUS) Current Master Transfer State Status. |
| 15:14 | 0h | RO | RSVD14_15 (RSVD14_15) RSVD14_15: These bits in Present State Register are |
| 13:8 | 0h | RO | CM_TFR_STATUS (CM_TFR_STATUS) Current Master Transfer Type Status. |
| 7:2 | 0h | RO | RSVD2_7 (RSVD2_7) RSVD2_7: These bits in Present State Register are |
| 1 | 1h | RO | SDA_LINE_SIGNAL_LEVEL (SDA_LINE_SIGNAL_LEVEL) This bit is used to check the SDA line level to recover from |
| 0 | 1h | RO | SCL_LINE_SIGNAL_LEVEL (SCL_LINE_SIGNAL_LEVEL) This bit is used to check the SCL line level to recover from |