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AT90PWM2 Datasheet(PDF) 166 Page - ATMEL Corporation

Part # AT90PWM2
Description  8-bit Microcontroller with 8K Bytes In-System Programmable Flash
PDF  365 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT90PWM2 Datasheet(HTML) 166 Page - ATMEL Corporation

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166
AT90PWM2/3
4317A-3–AVR–02/05
Figure 93. Clock selection
PCLKSELn bit in PSC n Configuration register (PCNFn) is used to select the clock
source.
PPREn1/0 bits in PSC n Control Register (PCTLn) are used to select the divide factor of
the clock.
Table 60. Output Clock versus Selection and Prescaler
PCLKSELn
PPREn1
PPREn0
CLKPSCn output
0
0
0
CLK I/O
0
0
1
CLK I/O / 4
0
1
0
CLK I/O / 16
0
1
1
CLK I/O / 64
10
0
CLK PLL
1
0
1
CLK PLL / 4
1
1
0
CLK PLL / 16
1
1
1
CLK PLL / 64
CLK
CLK PSCn
CLK
PLL
I/O
PRESCALER
CK
PPREn1/0
PCLKSELn
1
0



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