Union type to access the Special-Purpose Program Status Registers (xPSR).
Data Fields |
| struct { |
| uint32_t ISR:9 |
| | bit: 0.. 8 Exception number
|
| uint32_t _reserved0:15 |
| | bit: 9..23 Reserved
|
| uint32_t T:1 |
| | bit: 24 Thumb bit (read 0)
|
| uint32_t IT:2 |
| | bit: 25..26 saved IT state (read 0)
|
| uint32_t Q:1 |
| | bit: 27 Saturation condition flag
|
| uint32_t V:1 |
| | bit: 28 Overflow condition code flag
|
| uint32_t C:1 |
| | bit: 29 Carry condition code flag
|
| uint32_t Z:1 |
| | bit: 30 Zero condition code flag
|
| uint32_t N:1 |
| | bit: 31 Negative condition code flag
|
| } | b |
| | Structure used for bit access.
|
| uint32_t | w |
| | Type used for word access.
|
Field Documentation
