The Microchip SAMS70N21 devices are members of a flash microcontrollers family based on the high-performance 32-bit ARM Cortex-M7 processor with Floating Point Unit (FPU). These devices operate at up to 300MHz and feature up to 2048Kb of Flash, up to 384Kb of multi-port SRAM and configurable Instruction and Data Tightly Couple Memories to leverage the advanced DSP capabilities of the core.

ARM® Cortex®-M7 running 300MHz
16Kb of ICache, 16Kb of DCache with Error Code Correction
Single- & double-precision HW Floating Point Unit
Memory Protection Unit, 16 zones
DSP Instructions, Thumb®-2 Instruction Set
Embedded Trace Module with instruction trace stream, including Trace Port Interface Unit
Tightly Coupled Memory interface, four configurations
Embedded voltage regulator for single-supply operation
Power-on-Reset, Brown-out Detector, Dual Watchdog