Intel® Core™ Ultra Processors for H-series and U-series Platforms SOC I/O Registers
THC Error Cause Register (THC_M_PRT_ERR_CAUSE) – Offset 1028
THC Port Interrupt Status Register
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
31:24 | 0h | RO | Reserved (RSVD_31_24) Reserved. |
23:16 | 0h | RO/V | THC Fatal Error Cause (FATAL_ERR_CAUSE) There is no fatal error cause in SPI mode. |
15:14 | 0h | RO | Reserved (RSVD_15_14) Reserved. |
13 | 0h | RW/1C/V | THC Transaction Error Cause - Invalid PRD Entry (PRD_ENTRY_ERR) This error condition occurs when the THC detects an invalid PRD entry. A PRD entry is invalid when its length is 0. |
12 | 0h | RW/1C/V | THC Transaction Error Cause - THC Buffer Overrun (BUF_OVRRUN_ERR) This error condition occurs when the THC can't keep up with the incoming touch data due to IOSF or other internal bottleneck, and cause internal buffer overflow. |
11 | 0h | RO | Reserved (RSVD_11) Reserved. |
10 | 0h | RW/1C/V | THC Transaction Error Cause - Frame Babble (FRAME_BABBLE_ERR) This error condition occurs when the THC receives larger size of the touch data than the PRD table size for the current frame. This condition is detected when the micro-frame size is read from device register and the value exceeds the remaining buffer space for the current frame. |
9 | 0h | RW/1C/V | THC Transaction Error Cause - Invalid Device Register Setting (INVLD_DEV_ENTRY) This error condition occurs when the THC detects invalid settings in the touch device's register INT_CAUSE. The device register setting is invalid if the microframe size field is 0. |
8:0 | 0h | RO | Reserved (RSVD_8_0) Reserved. |