36.7.7 Status Register
Symbol | Description | Symbol | Description | Symbol | Description |
---|---|---|---|---|---|
R | Readable bit | HC | Cleared by Hardware | (Grey cell) | Unimplemented |
W | Writable bit | HS | Set by Hardware | X | Bit is unknown at Reset |
K | Write to clear | S | Software settable bit | — | — |
Name: | STATUS |
Offset: | 0x0018 |
Reset: | 0x0000 |
Property: | PAC Write-Protection |
Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
Access | |||||||||
Reset |
Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
Access | |||||||||
Reset |
Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
Access | |||||||||
Reset |
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
VREGRDY | PHYON | PHYRDY | |||||||
Access | R/HC/HS | R/HC/HS | R/HC/HS | ||||||
Reset | 0 | 0 | 0 |
Bit 2 – VREGRDY USB Voltage Regulator status
Value | Description |
---|---|
0 | Voltage Regulator output is off |
1 | Voltage Regulator output is on |
Bit 1 – PHYON PHY Power State
Value | Description |
---|---|
0 | PHY is in off (low power state) |
1 | PHY is in on (operational power state) |
Bit 0 – PHYRDY PHY Ready
Value | Description |
---|---|
0 | PHY is NOT Ready for USBCORE activity |
1 | PHY is ready for USBCORE activity |