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AT90PWM3 Datasheet(PDF) 136 Page - ATMEL Corporation

Part # AT90PWM3
Description  8-bit Microcontroller with 8K Bytes In-System Programmable Flash
PDF  361 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90PWM3 Datasheet(HTML) 136 Page - ATMEL Corporation

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4317J–AVR–08/10
AT90PWM2/3/2B/3B
Figure 16-7. PSCn0 & PSCn1 Basic Waveforms in Two Ramp mode
PSCOUTn0 and PSCOUTn1 signals are defined by On-Time 0, Dead-Time 0, On-Time 1 and
Dead-Time 1 values with :
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 + 1) * 1/Fclkpsc
Note:
Minimal value for
Dead-Time 0 and Dead-Time 1 = 1/Fclkpsc
16.5.2.3
One Ramp Mode
In One Ramp mode, PSCOUTn0 and PSCOUTn1 outputs can overlap each other.
On-Time 0
On-Time 1
PSCOUTn0
PSCOUTn1
Dead-Time 1
Dead-Time 0
PSC Cycle
OCRnRB
OCRnSB
OCRnRA
OCRnSA
PSC Counter
00



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