Intel® Core™ Ultra Processors for H-series and U-series Platforms SOC I/O Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 795260 | 12/14/2023 | 001 | Public |
xHCI MMIO Registers
| Offset | Size (Bytes) | Register Name (Register Symbol) | Scope | Default Value |
|---|---|---|---|---|
| 0h | 1 | Package | 80h | |
| 2h | 2 | Package | 0120h | |
| 4h | 4 | Package | 0E000840h | |
| 8h | 4 | Package | 14200054h | |
| ch | 4 | Package | 00A0000Ah | |
| 10h | 4 | Package | 20007FC1h | |
| 14h | 4 | Package | 00003000h | |
| 18h | 4 | Package | 00002000h | |
| 80h | 4 | Package | 00000000h | |
| 84h | 4 | Package | 00000001h | |
| 88h | 4 | Package | 00000001h | |
| 94h | 4 | Package | 00000000h | |
| 98h | 4 | Package | 00000000h | |
| 9ch | 4 | Package | 00000000h | |
| b0h | 4 | Package | 00000000h | |
| b4h | 4 | Package | 00000000h | |
| b8h | 4 | Package | 00000000h | |
| 480h | 4 | Package | 000002A0h | |
| 484h | 4 | Package | 00000000h | |
| 48ch | 4 | Package | 00000000h | |
| 540h | 4 | Package | 000002A0h | |
| 544h | 4 | Package | 00000000h | |
| 548h | 4 | Package | 00000000h | |
| 2000h | 4 | Package | 00000000h | |
| 2020h | 4 | Package | 00000000h | |
| 2024h | 4 | Package | 00000FA0h | |
| 2028h | 4 | Package | 00000000h | |
| 2030h | 4 | Package | 00000000h | |
| 2034h | 4 | Package | 00000000h | |
| 2038h | 4 | Package | 00000000h | |
| 203ch | 4 | Package | 00000000h | |
| 3000h | 4 | Package | 00000000h | |
| 8004h | 4 | Package | 20425355h | |
| 800ch | 4 | Package | 00000000h | |
| 8010h | 4 | Package | 000C0021h | |
| 8014h | 4 | Package | 05DC0012h | |
| 8018h | 4 | Package | 01E00023h | |
| 8020h | 4 | Package | 03201402h | |
| 8024h | 4 | Package | 20425355h | |
| 8028h | 4 | Package | 4000020Dh | |
| 802ch | 4 | Package | 00000000h | |
| 8030h | 4 | Package | 00050134h | |
| 8034h | 4 | Package | 000A4135h | |
| 8038h | 4 | Package | 000A4136h | |
| 803ch | 4 | Package | 00144137h | |
| 8094h | 4 | Package | 00C0E140h | |
| 80a4h | 4 | Package | 49ED509Ch | |
| 80b0h | 4 | Package | 0080037Fh | |
| 80b8h | 4 | Package | 00000000h | |
| 80e0h | 4 | Package | 80001800h | |
| 80ech | 4 | Package | 18000000h | |
| 80f0h | 4 | Package | 314803A0h | |
| 80f4h | 4 | Package | 80C40620h | |
| 80f8h | 4 | Package | F865EB6Bh | |
| 80fch | 4 | Package | 00008003h | |
| 8140h | 4 | Package | FF01903Ch | |
| 8144h | 4 | Package | 0000023Fh | |
| 8154h | 4 | Package | 81190206h | |
| 816ch | 4 | Package | 00004038h | |
| 8174h | 4 | Package | 01400C01h | |
| 817ch | 4 | XHC Latency Tolerance Parameters High Idle Time Control (XLTP_HITC) | Package | 00050002h |
| 8180h | 4 | XHC Latency Tolerance Parameters Medium Idle Time Control (XLTP_MITC) | Package | 00050002h |
| 8184h | 4 | XHC Latency Tolerance Parameters Low Idle Time Control (XLTP_LITC) | Package | 00050002h |
| 81b8h | 4 | Package | 000020C8h | |
| 81c4h | 4 | Package | 00000908h | |
| 846ch | 4 | Package | 00002201h | |
| 84f4h | 4 | Package | 000003C6h | |
| 84f8h | 4 | Package | 00000000h | |
| 84fch | 4 | Package | 00000000h | |
| 8700h | 4 | Package | 0005100Ah | |
| 8e10h | 4 | Package | 000012C9h | |
| 8e14h | 4 | Package | 00000000h | |
| 8e18h | 4 | Package | 00000000h | |
| 8e20h | 4 | Package | 00000000h | |
| 8e24h | 4 | Package | 00000000h | |
| 90a4h | 4 | Package | 00000000h | |
| 90a8h | 4 | Package | 00000000h | |
| 90ach | 4 | Package | 00000000h | |
| 90b0h | 4 | Package | 00000000h | |
| 90b4h | 4 | Package | 00000000h | |
| 90b8h | 4 | Package | 00000000h | |
| 90bch | 4 | Package | 00000000h | |
| 90c0h | 4 | Package | 00000000h | |
| 9124h | 4 | Package | 00000000h | |
| 9128h | 4 | Package | 00000000h | |
| 912ch | 4 | Package | 00000000h | |
| 9130h | 4 | Package | 00000000h | |
| 9134h | 4 | Package | 00000000h | |
| 9138h | 4 | Package | 00000000h | |
| 913ch | 4 | Package | 00000000h | |
| 9140h | 4 | Package | 00000000h |