The ARM Cortex™-M4 processor is the latest embedded processor by ARM specifically developed to address digital signal control markets that demand an efficient, easy-to-use blend of control and signal processing capabilities.

ARM architecture is a computer CPU architecture commonly used in embedded systems and mobile devices such as cell phones, tablet computers, and handheld game consoles such as the Game Boy Advance. ARM CPUs use very little electricity and produce very little heat.

The ARM Cortex-M is a group of 32-bit RISC ARM processor cores licensed by Arm Holdings . They are intended for microcontroller use, and have been shipped in tens of billions of devices.