# CMSIS Reference Data Structures Type Documentation

## flash_region

Location: rsl15_start.h:144

Structure used to define flash regions.

Data Fields

Type | Name | Description
--- | --- | ---
uint32_t | start | First address in the flash region.
uint32_t | end | Last address in the flash region.
FLASH_Type * | flash | Flash interface for this region.
uint32_t | IRQn | Interrupt supporting this flash region.