SPRUIV7C May 2022 – November 2025 AM620-Q1 , AM623 , AM625 , AM625-Q1 , AM625SIP
The MCU_M4FSS includes a 24-bit count-down system timer (SysTick) that can be used as a real time operating system (RTOS) tick timer or as a simple counter. The MCU_M4FSS_SYSTICK register in the MCU_CTRL_MMR module provides the calibration settings required for proper SysTick operation.