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| SAM4L_14 Datasheet, PDF (116/176 Pages) ATMEL Corporation – Technology for Ultra-low Power Consumption | |||
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ATSAM4L8/L4/L2
9.6.3 USB I/O Pin : PA25, PA26
Table 9-15. USB I/O Pin Characteristics in GPIO configuration (1)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
RPULLUP
RPULLDOWN
Pull-up resistance (2)
Pull-down resistance(2)
40
kΩ
40
kΩ
VIL
Input low-level voltage
-0.3
0.2 * VVDD
VIH
Input high-level voltage
VOL
Output low-level voltage
0.8 * VVDD
VVDD + 0.3
V
0.4
VOH
Output high-level voltage
VVDD - 0.4
IOL
Output low-level current (3)
ODCR0=0
1.68V<VVDD<2.7V
2.7V<VVDD<3.6V
20
mA
30
IOH
Output high-level current(3) ODCR0=0
1.68V<VVDD<2.7V
2.7V<VVDD<3.6V
20
mA
30
FPINMAX
Maximum frequency(2)
ODCR0=0
OSRR0=0 load = 25pF
20
MHz
ILEAK
CIN
Input leakage current(3)
Input capacitance(2)
Pull-up resistors disabled
0.01
1
µA
5
pF
1.
VVDD corresponds to either VVDDIN or VVDDIO, depending on the supply for the pin. Refer to Section 3-5 on page 13 for details
2.
These values are based on simulation. These values are not covered by test limits in production or characterization
3.
These values are based on characterization. These values are not covered by test limits in production
9.6.4
TWI Pin : PA21, PA22, PA23, PA24, PB14, PB15
Table 9-16. TWI Pin Characteristics in TWI configuration (1)
Symbol
RPULLUP
RPULLDOWN
VIL
VIH
VOL
Parameter
Pull-up resistance (2)
Pull-down resistance(2)
Input low-level voltage
Input high-level voltage
Output low-level voltage
Conditions
DRIVEL=0
DRIVEL=1
DRIVEL=2
DRIVEL=3
IOL
Output low-level current (3)
DRIVEL=4
DRIVEL=5
DRIVEL=6
DRIVEL=7
Min
Typ
Max
Units
40
kΩ
40
kΩ
-0.3
0.7 * VVDD
0.3 * VVDD
V
VVDD + 0.3
V
0.4
V
0.5
1.0
1.6
3.1
mA
6.2
9.3
15.5
21.8
42023GSâSAMâ03/2014
116
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