I'm not sure if changing the timer for Pin 3 (OC2B) will affect the hardware SPI function of Pin 11 (OC2A)
It will have no effect if you do not enable timer output on pin 11 with the COM2An bits.
I'm not sure if changing the timer for Pin 3 (OC2B) will affect the hardware SPI function of Pin 11 (OC2A)
It will have no effect if you do not enable timer output on pin 11 with the COM2An bits.