Creating 32-bit Input Capture on 16-bit Timers
https://dannyelectronics.wordpress.com/2017/10/09/32-bit-input-capture-on-a-16-bit-timer/
Creating 32-bit Input Capture on 16-bit Timers
https://dannyelectronics.wordpress.com/2017/10/09/32-bit-input-capture-on-a-16-bit-timer/