https://onlinedocs.microchip.com/oxy/GUID-0EC909F9-8FB7-46B2-BF4B-05290662B5C3-en-US-12.1.1/GUID-62F4F8E9-00D2-4D03-9772-1E3CDDF1C639.html
21 TC2 - 8-bit Timer/Counter2 with PWM and Asynchronous Operation
bittimer
https://neklog.dk/counter2/
Counter2 - NEK Logisitk
nek