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.
The combination of high-efficiency signal processing functionality with the low-power, low cost and ease-of-use benefits of the Cortex-M family of processors is designed to satisfy the emerging category of flexible solutions specifically targeting the motor control, automotive, power management, embedded audio and industrial automation markets.
Energy efficient digital signal control
The Cortex-M4 offers unparalleled capability to integrate 32-bit control with leading digital signal processing techniques for markets that require very high levels of energy efficiency.
The Cortex-M4 makes signal processing algorithm development easy through an excellent ecosystem of software tools and the Cortex Microcontroller Software Interface Standard (CMSIS) .
Thumb® / Thumb-2
Single cycle 16,32-bit MAC
Single cycle dual 16-bit MAC
8,16-bit SIMD arithmetic
Hardware Divide (2-12 Cycles)
|Floating Point Unit
Single precision floating point unit
IEEE 754 compliant
||3-stage + branch speculation
||Optional 8 region MPU with sub regions and background region
||Non-maskable Interrupt (NMI) + 1 to 240 physical interrupts
|Interrupt Priority Levels
||8 to 256 priority levels
|Wake-up Interrupt Controller
||Up to 240 Wake-up Interrupts
Integrated WFI and WFE Instructions and Sleep On Exit capability.
Sleep & Deep Sleep Signals.
Optional Retention Mode with ARM Power Management Kit
||Integrated Instructions & Bit Banding
||Optional JTAG & Serial-Wire Debug Ports. Up to 8 Breakpoints and 4 Watchpoints.
||Optional Instruction Trace (ETM), Data Trace (DWT), and Instrumentation Trace (ITM)