Datasheet

CS0[2] CS0[1] CS0[0] Description

0 1 0 clk

I/O

/8 (from prescaler)

0 1 1 clk

I/O

/64 (from prescaler)

1 0 0 clkI/O/256 (from prescaler)

1 0 1 clk

I/O

/1024 (from prescaler)

1 1 0 External clock source on T0 pin. Clock on falling edge.

1 1 1 External clock source on T0 pin. Clock on rising edge.

If external pin modes are used for the timer/counter0, transitions on the T0 pin will clock the counter even

if the pin is configured as an output. This feature allows software control of the counting.

ATmega48PA/88PA/168PA

8-bit Timer/Counter0 (TC0) with PWM

Datasheet Complete

DS40002011A-page 154