xPSR_Type Union Reference

Union type to access the Special-Purpose Program Status Registers (xPSR). More...

#include <core_cm0plus.h>

Data Fields
struct {
uint32_t   ISR:9
uint32_t   _reserved0:15
uint32_t   T:1
uint32_t   _reserved1:3
uint32_t   V:1
uint32_t   C:1
uint32_t   Z:1
uint32_t   N:1
}	b
uint32_t	w

Detailed Description

Union type to access the Special-Purpose Program Status Registers (xPSR).

Field Documentation

ISR

uint32_t xPSR_Type::ISR

bit: 0.. 8 Exception number

_reserved0

uint32_t xPSR_Type::_reserved0

bit: 9..23 Reserved

T

uint32_t xPSR_Type::T

bit: 24 Thumb bit (read 0)

_reserved1

uint32_t xPSR_Type::_reserved1

bit: 25..27 Reserved

V

uint32_t xPSR_Type::V

bit: 28 Overflow condition code flag

C

uint32_t xPSR_Type::C

bit: 29 Carry condition code flag

Z

uint32_t xPSR_Type::Z

bit: 30 Zero condition code flag

N

uint32_t xPSR_Type::N

bit: 31 Negative condition code flag

b

struct { ... } xPSR_Type::b

Structure used for bit access

w

uint32_t xPSR_Type::w

Type used for word access

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The documentation for this union was generated from the following file:

• core_cm0plus.h