AT90PWM2/3/2B/3B
Figure 16-8. PSCn0 & PSCn1 Basic Waveforms in One Ramp mode
OCRnRB
OCRnSB
OCRnRA
PSC Counter
OCRnSA
0
On-Time 0
On-Time 1
PSCOUTn0
PSCOUTn1
Dead-Time 0
Dead-Time 1
PSC Cycle
On-Time 0 = (OCRnRAH/L - OCRnSAH/L) * 1/Fclkpsc
On-Time 1 = (OCRnRBH/L - OCRnSBH/L) * 1/Fclkpsc
Dead-Time 0 = (OCRnSAH/L + 1) * 1/Fclkpsc
Dead-Time 1 = (OCRnSBH/L - OCRnRAH/L) * 1/Fclkpsc
Note:
Minimal value for Dead-Time 0 = 1/Fclkpsc
16.5.2.4
Center Aligned Mode
In center aligned mode, the center of PSCn00 and PSCn01 signals are centered.
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