CMSIS-CORE: IPSR_Type Union Reference

| CMSIS-CORE Version 4.30 CMSIS-CORE support for Cortex-M processor-based devices

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IPSR_Type Union Reference

Union type to access the Interrupt Program Status Register (IPSR).

## Data Fields

struct {
uint32_t ISR:9
| bit: 0.. 8 Exception number
uint32_t _reserved0:23
| bit: 9..31 Reserved
} | b
| Structure used for bit access.
uint32_t | w
| Type used for word access.

## Field Documentation

uint32_t IPSR_Type::_reserved0

struct { ... } IPSR_Type::b

uint32_t IPSR_Type::ISR

uint32_t IPSR_Type::w