SPRUIM2H May 2020 – October 2023 AM2431 , AM2432 , AM2434 , AM6411 , AM6412 , AM6421 , AM6422 , AM6441 , AM6442
Various external clock inputs are needed to drive the device. Summary of these input clock signals is as follows:
Other clock inputs that are routed directly to the subsystems are described in the respective subsystem chapters.
EXT_REFCLK1 clock pin is routed to clock muxes as one of the selectable input clock source to the Timer modules (DMTIMER/WDT), DMTIMER in SMS (Security Subsystem), MCAN and CPTS (Time Stamping Module). If an application needs a very specific clock frequency to be fed into these modules then they have an option to use the EXT_REFCLK1 (for example: time synchronization or for clock quality reasons).