CMSIS2000  0.0.7
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Data Fields
xPSR_Type Union Reference
Status and Control Registers

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

#include <core_cm0.h>

Data Fields

struct {
   uint32_t   _reserved0:15
   uint32_t   C:1
   uint32_t   ISR:9
   uint32_t   IT:2
   uint32_t   N:1
   uint32_t   Q:1
   uint32_t   T:1
   uint32_t   V:1
   uint32_t   Z:1
} b
struct {
   uint32_t   _reserved0:15
   uint32_t   C:1
   uint32_t   ISR:9
   uint32_t   IT:2
   uint32_t   N:1
   uint32_t   Q:1
   uint32_t   T:1
   uint32_t   V:1
   uint32_t   Z:1
} b
struct {
   uint32_t   _reserved0:15
   uint32_t   C:1
   uint32_t   ISR:9
   uint32_t   IT:2
   uint32_t   N:1
   uint32_t   Q:1
   uint32_t   T:1
   uint32_t   V:1
   uint32_t   Z:1
} b
struct {
   uint32_t   _reserved0:15
   uint32_t   C:1
   uint32_t   ISR:9
   uint32_t   IT:2
   uint32_t   N:1
   uint32_t   Q:1
   uint32_t   T:1
   uint32_t   V:1
   uint32_t   Z:1
} b
struct {
   uint32_t   _reserved0:15
   uint32_t   C:1
   uint32_t   ISR:9
   uint32_t   IT:2
   uint32_t   N:1
   uint32_t   Q:1
   uint32_t   T:1
   uint32_t   V:1
   uint32_t   Z:1
} b
struct {
   uint32_t   _reserved0:7
   uint32_t   _reserved1:4
   uint32_t   C:1
   uint32_t   GE:4
   uint32_t   ISR:9
   uint32_t   IT:2
   uint32_t   N:1
   uint32_t   Q:1
   uint32_t   T:1
   uint32_t   V:1
   uint32_t   Z:1
} b
uint32_t w

Detailed Description

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

Definition at line 216 of file core_cm0.h.

Field Documentation

uint32_t xPSR_Type::_reserved0

bit: 9..23 Reserved

bit: 9..15 Reserved

Definition at line 222 of file core_cm0.h.

uint32_t xPSR_Type::_reserved1

bit: 20..23 Reserved

Definition at line 282 of file core_cm4.h.

struct { ... } xPSR_Type::b

Structure used for bit access

struct { ... } xPSR_Type::b

Structure used for bit access

struct { ... } xPSR_Type::b

Structure used for bit access

struct { ... } xPSR_Type::b

Structure used for bit access

struct { ... } xPSR_Type::b

Structure used for bit access

struct { ... } xPSR_Type::b

Structure used for bit access

uint32_t xPSR_Type::C

bit: 29 Carry condition code flag

Definition at line 232 of file core_cm0.h.

uint32_t xPSR_Type::GE

bit: 16..19 Greater than or Equal flags

Definition at line 281 of file core_cm4.h.

uint32_t xPSR_Type::ISR

bit: 0.. 8 Exception number

Definition at line 220 of file core_cm0.h.

uint32_t xPSR_Type::IT

bit: 25..26 saved IT state (read 0)

Definition at line 229 of file core_cm0.h.

uint32_t xPSR_Type::N

bit: 31 Negative condition code flag

Definition at line 234 of file core_cm0.h.

uint32_t xPSR_Type::Q

bit: 27 Saturation condition flag

Definition at line 230 of file core_cm0.h.

uint32_t xPSR_Type::T

bit: 24 Thumb bit (read 0)

Definition at line 228 of file core_cm0.h.

uint32_t xPSR_Type::V

bit: 28 Overflow condition code flag

Definition at line 231 of file core_cm0.h.

uint32_t xPSR_Type::w

Type used for word access

Definition at line 236 of file core_cm0.h.

uint32_t xPSR_Type::Z

bit: 30 Zero condition code flag

Definition at line 233 of file core_cm0.h.

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