SAM3N0A Atmel Corporation, SAM3N0A Datasheet - Page 713

• Manufacturer Part Number: SAM3N0A
• Manufacturer: Atmel Corporation

35.4.7
Table 35-21. Crystal Characteristics
35.4.8
Table 35-22. XIN Clock Electrical Characteristics (In Bypass Mode)
Note:
11011A–ATARM–04-Oct-10
Symbol
ESR
C
C
Symbol
1/(t
t
t
t
V
V
CPXIN
CHXIN
CLXIN
XIN_IL
XIN_IH
M
SHUNT
CPXIN
1. These characteristics apply only when the 3-20 MHz XTAL Oscillator is in bypass mode.
)
3 to 20 MHz Crystal Characteristics
3 to 20 MHz XIN Clock Input Characteristics in Bypass Mode
Parameter
Equivalent Series Resistor (Rs)
Motional capacitance
Shunt capacitance
Parameter
XIN Clock Frequency
XIN Clock Period
XIN Clock High Half-period
XIN Clock Low Half-period
V
V
XIN
XIN
Input Low-level Voltage
Input High-level Voltage
V
XIN_IL
V
XIN_IH
t
CPXIN
Conditions
Fundamental @ 3MHz
Fundamental @ 8MHz
Fundamental @ 12MHz
Fundamental @ 16MHz
Fundamental @ 20MHz
t
CPXIN
Conditions
(1)
(1)
(1)
(1)
(1)
(1)
t
CPXIN
V
t
0.7 x
Min
CHXIN
Min
-0.3
VDDIO
20
8
8
Typ
Typ
V
V
Max
200
100
0.3 x
VDDIO
Max
80
80
50
VDDIO
0.3
8
7
50
SAM3N
+
Units
MHz
Unit
ns
ns
ns
pF
fF
V
V
Ω
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