32-bit Arm® Cortex®-M3 Core
◼Processor version: r2p1
◼Up to 72 MHz Frequency Operation
◼Integrated Nested Vectored Interrupt Controller (NVIC): 1 NMI (non-maskable interrupt) and 48 peripheral interrupts and 16 priority levels
◼24-bit System timer (Sys Tick): System timer for OS task management
On-.