Intel® Core™ Ultra Series 3 Processors I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 872352 | 04/14/2026 | 001 | Public |
REG THR (THR) – Offset 0
Transmit Holding Register. THR mode is only available when LCR register [7] (DLAB bit) = 0.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 31:8 | 0h | RO | Res_thr (Res_thr) Reserved |
| 7:0 | 0h | WO | thr (thr) Data to be transmitted on the serial output port (sout) in UART mode Data should |