ШИМ. Как запрограммировать?

[Chip]

Pins 5 and 6: controlled by Timer 0
Setting     Divisor     Frequency
0x01          1          62500
0x02          8          7812.5
0x03          64          976.5625
0x04          256          244.140625
0x05          1024          61.03515625

TCCR0B = TCCR0B & 0b11111000 | <setting>;


Pins 9 and 10: controlled by timer 1
Setting     Divisor     Frequency
0x01          1          31250
0x02          8          3906.25
0x03          64          488.28125
0x04          256          122.0703125
0x05          1024          30.517578125

TCCR1B = TCCR1B & 0b11111000 | <setting>;


Pins 11 and 3: controlled by timer 2
Setting     Divisor     Frequency
0x01          1          31250
0x02          8          3906.25
0x03          32          976.5625
0x04          64          488.28125
0x05          128          244.140625
0x06          256          122.0703125
0x07          1024          30.517578125

TCCR2B = TCCR2B & 0b11111000 | <setting>;