# CMSIS Cortex Microcontroller Software Interface Standard. Refer to www.arm.com/cmsis for more information. This GIT repository contains the release images of CMSIS starting from V4.3.0. **Issues** is the location to provide feedback, report problems, or give suggestions for future revisions. **Releases** provides access to the generated software packs. These packs are also available via _Download Specifications_ on www.arm.com/cmsis **License** the CMSIS components (CORE, RTOS, DSP, Driver) that are intended to run on the Cortex-M device are today licensed under BSD or zlib license. The detailed license agreement for CMSIS can be found here: https://github.com/ARM-software/CMSIS/blob/master/CMSIS/CMSIS_END_USER_LICENCE_AGREEMENT.pdf (refer to Separate Files)