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| AT32UC3L064_2 Datasheet, PDF (781/830 Pages) ATMEL Corporation – 32-bit AVR® Microcontroller | |||
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AT32UC3L016/32/64
Table 32-9. 5V Tolerant High-drive I/O Pad Characteristics(1)
Symbol Parameter
Condition
Min
Typ
Max
Units
RPULLUP Pull-up resistance
30
50
110
kOhm
VVDD = 3.0V
VIL
Input low-level voltage
VVDD = 1.62V
-0.3
0.3*VVDD
V
-0.3
0.3*VVDD
VVDD = 3.6V
VIH
Input high-level voltage
VVDD = 1.98V
0.7*VVDD
0.7*VVDD
5.5
V
5.5
VVDD = 3.0V, IOL = 6mA
VOL
Output low-level voltage
VVDD = 1.62 V, IOL = 4mA
0.4
V
0.4
VVDD = 3.0V, IOH = 6mA
VVDD-0.4
VOH
Output high-level voltage
V
VVDD = 1.62 V, IOH = 4mA
VVDD-0.4
ILEAK
Input leakage current
5.5V, pull-up resistors disabled
1
µA
Notes: 1. VVDD corresponds to either VVDDIN or VVDDIO, depending on the supply for the pad. Refer to Section 3.2 on page 9 for details.
Table 32-10. TWI Pad Characteristics(1)
Symbol Parameter
Condition
Min
Typ
Max
Units
RPULLUP Pull-up resistance
25
35
50
kOhm
VIL
Input low-level voltage
VVDD = 3.0V
VVDD = 1.62V
-0.3
0.3*VVDD
V
-0.3
0.3*VVDD
VIH
Input high-level voltage
VVDD = 3.6V
VVDD = 1.98V
0.7*VVDD
0.7*VVDD
VVDD + 0.3
V
VVDD + 0.3
VOL
Output low-level voltage
IOL = 3mA
0.4
V
ILEAK
Input leakage current
Pull-up resistors disabled
1
µA
IIL
Input low leakage
1
µA
IIH
Input high leakage
1
µA
fMAX
Max frequency
Cbus = 400pF, VVDD > 2.0V
400
kHz
Notes: 1. VVDD corresponds to either VVDDIN or VVDDIO, depending on the supply for the pad. Refer to Section 3.2 on page 9 for details.
32.7 Oscillator Characteristics
32.7.1 Oscillator 0 (OSC0) Characteristics
32.7.1.1
Digital Clock Characteristics
The following table describes the characteristics for the oscillator when a digital clock is applied
on XIN.
Table 32-11. Digital Clock Characteristics
Symbol
Parameter
fCPXIN
tCPXIN
XIN clock frequency
XIN clock duty cycle
Conditions
Min
Typ
40
Max
50
60
Units
MHz
%
32099Dâ06/2010
781
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