13.25.8.1.4 Finite State Machine Status
Name: | FSMSTATUS |
Offset: | 0x0D |
Reset: | 0xXXXX |
Property: | Read only |
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
FSMSTATE[6:0] | |||||||||
Access | R | R | R | R | R | R | R | ||
Reset | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
Bits 6:0 – FSMSTATE[6:0] Fine State Machine Status
These bits indicate the state of the finite state machine of the USB controller.
Value | Name | Description |
---|---|---|
0x01 | OFF (L3) | Corresponds to the powered-off, disconnected, and disabled state. |
0x02 | ON (L0) | Corresponds to the Idle and Active states. |
0x04 | SUSPEND (L2) | |
0x08 | SLEEP (L1) | |
0x10 | DNRESUME | Down Stream Resume. |
0x20 | UPRESUME | Up Stream Resume. |
0x40 | RESET | USB lines Reset. |
Others | Reserved |