Rainbow-electronics ATmega64C1 Manual de usuario descargar pdf (Pagina 138)

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7647A–AVR–02/08

ATmega32/64/M1/C1

Figure 14-4. PSCOUTnA & PSCOUTnB Basic Waveforms in One Ramp mode

On-Time A = (POCRnRAH/L - POCRnSAH/L) * 1/Fclkpsc

On-Time B = (POCRnRBH/L - POCRnSBH/L) * 1/Fclkpsc

Dead-Time A = (POCRnSAH/L + 1) * 1/Fclkpsc

Dead-Time B = (POCRnSBH/L - POCRnRAH/L) * 1/Fclkpsc

Note: Minimal value for Dead-Time A = 1/Fclkpsc

If the overlap protection is disabled, in One-Ramp mode, PSCOUTnA and PSCOUTnB outputs

can be configured to overlap each other, though in normal use this is not desirable.

On-Time A On-Time B

PSCOUTnA

PSCOUTnB

Dead-Time B

Dead-Time A

PSC Cycle

POCRnRB

POCRnSB

POCRnRA

POCRnSA

PSC Counter

1 2 ... 133 134 135 136 137 138 139 140 141 142 143 ... 365 366

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Rainbow-electronics ATmega64C1 Manual de usuario Pagina 138

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