SPRUJC6A December 2024 – July 2025 AM2752-Q1 , AM2754-Q1
xHCI Supported Protocol Capability_ Data Word 2 For a description of other register fields, see section 7.2 of the eXtensible Host Controller Interface for Universal Serial Bus (USB) Specification 3.0.
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| Instance Name | Physical Address |
|---|---|
| USB0 | 3100 0978h |
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
| PSIC | MHD | RESERVED_24_21 | |||||
| R | R | R | |||||
| 0h | 0h | 0h | |||||
| 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
| RESERVED_24_21 | BLC | HLC | IHI | HSO | RESERVED | ||
| R | R | R | R | R | NONE | ||
| 0h | 1h | 1h | 0h | 0h | 0h | ||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
| COMPATIBLE_PORT_COUNT | |||||||
| R | |||||||
| 1h | |||||||
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| COMPATIBLE_PORT_OFFSET | |||||||
| R | |||||||
| 1h | |||||||
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
| 31:28 | PSIC | R | 0h | PSIC Reset Source: rst_mod_g_rst_n |
| 27:25 | MHD | R | 0h | Hub Depth For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus [USB] Specification 3.0. Reset Source: rst_mod_g_rst_n |
| 24:21 | RESERVED_24_21 | R | 0h | Reserved |
| 20 | BLC | R | 1h | BESL LPM Capability. When this bit is set to: - 1: The ports described by this xHCI Supported Protocol Capability applies BESL timing to the BESL and BESLD fields of the PORTPMSC and PORTHLPMC registers. - 0: The ports described by this xHCI Supported Protocol Capability applies HIRD timing to the BESL and BESLD fields of the PORTPMSC and PORTHLPMC registers. Reset Source: rst_mod_g_rst_n |
| 19 | HLC | R | 1h | Compatible Port Offset. Compatible Port Count Refer to Table 7-3 in the Databook. Reset Source: rst_mod_g_rst_n |
| 18 | IHI | R | 0h | IHI Reset Source: rst_mod_g_rst_n |
| 17 | HSO | R | 0h | HSO Reset Source: rst_mod_g_rst_n |
| 16 | RESERVED | NONE | 0h | Reserved |
| 15:8 | COMPATIBLE_PORT_COUNT | R | 1h | COMPATIBLE_PORT_COUNT For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus [USB] Specification 3.0. Reset Source: rst_mod_g_rst_n |
| 7:0 | COMPATIBLE_PORT_OFFSET | R | 1h | COMPATIBLE_PORT_OFFSET For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus [USB] Specification 3.0. Reset Source: rst_mod_g_rst_n |