SPRUJC6A December 2024 – July 2025 AM2752-Q1 , AM2754-Q1
Doorbell Register Bit Field Definitions For a description of this standard USB register field, see the eXtensible Host Controller Interface for Universal Serial Bus (USB) Specification 3.0. Programming this field with random data will cause side effect i.e. Register Access will fail (Timeout) if the pipe clock is not running or reset is asserted . Bit Bash register testing is not recommended.
Return to Summary Table
| Instance Name | Physical Address |
|---|---|
| USB0 | 3100 0560h + formula |
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
| DB_STREAM_ID | |||||||
| R/W | |||||||
| 0h | |||||||
| 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
| DB_STREAM_ID | |||||||
| R/W | |||||||
| 0h | |||||||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
| RESERVED_15_8 | |||||||
| R | |||||||
| 0h | |||||||
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| DB_TARGET | |||||||
| R/W | |||||||
| 0h | |||||||
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
| 31:16 | DB_STREAM_ID | R/W | 0h | DB_STREAM_ID 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 |
| 15:8 | RESERVED_15_8 | R | 0h | Reserved |
| 7:0 | DB_TARGET | R/W | 0h | DB_TARGET 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 |