High-performance access line, Arm Cortex-M4 core with DSP and FPU, 128 Kbytes of Flash memory, 84 MHz CPU, ART Accelerator
High-performance access line, Arm Cortex-M4 core with DSP and FPU, 512 Kbytes of Flash memory, 84 MHz CPU, ART Accelerator

High-performance foundation line, Arm Cortex-M4 core with DSP and FPU, 512 Kbytes of Flash memory, 168 MHz CPU, ART Accelerator, Ethernet, FSMC