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ATXMEGA8E5 데이터시트(PDF) 92 Page - Microchip Technology

부품명 ATXMEGA8E5
상세설명  XMEGA짰 E5 Data Sheet
PDF  153 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

ATXMEGA8E5 데이터시트(HTML) 92 Page - Microchip Technology

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 2018 Microchip Technology Inc.
Data Sheet Complete
DS40002059A-page 92
ATxmega32E5/16E5/8E5
36.13.5
Internal Phase Locked Loop (PLL) Characteristics
Table 36-24. Internal PLL Characteristics
Note:
1.
The maximum output frequency vs. supply voltage is linear between 1.8V and 2.7V, and can never be higher than four times the maximum CPU frequency.
36.13.6
External Clock Characteristics
Figure 36-3. External Clock Drive Waveform
Table 36-25. External Clock used as System Clock without Prescaling
Note:
1.
The maximum frequency vs. supply voltage is linear between 1.6V and 2.7V, and the same applies for all other parameters with supply voltage conditions.
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
fIN
Input frequency
Output frequency must be within fOUT
0.4
64
MHz
fOUT
Output frequency (1)
VCC= 1.6 - 1.8V
20
48
VCC= 2.7 - 3.6V
20
128
Start-up time
25
µs
Re-lock time
25
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
1/tCK
Clock Frequency (1)
VCC = 1.6 - 1.8V
0
12
MHz
VCC = 2.7 - 3.6V
0
32
tCK
Clock Period
VCC = 1.6 - 1.8V
83.3
ns
VCC = 2.7 - 3.6V
31.5
tCH
Clock High Time
VCC = 1.6 - 1.8V
30.0
VCC = 2.7 - 3.6V
12.5
tCL
Clock Low Time
VCC = 1.6 - 1.8V
30.0
VCC = 2.7 - 3.6V
12.5
tCR
Rise Time (for maximum frequency)
VCC = 1.6 - 1.8V
10
VCC = 2.7 - 3.6V
3
tCF
Fall Time (for maximum frequency)
VCC = 1.6 - 1.8V
10
VCC = 2.7 - 3.6V
3
tCK
Change in period from one clock cycle to the next
10
%
tCH
tCL
tCK
tCH
VIL1
VIH1
tCR
tCF



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