Datasheet

114
42023GS–SAM–03/2014
ATSAM4L8/L4/L2
9.6 I/O Pin Characteristics
9.6.1 Normal I/O Pin
Table 9-13. Normal I/O Pin Characteristics
(1)
1. V
VDD
corresponds to either V
VDDIN
or V
VDDIO
, depending on the supply for the pin. Refer to Section 3-5 on page 13 for details
Symbol Parameter Conditions Min Typ Max Units
R
PULLUP
Pull-up resistance
(2)
2. These values are based on simulation. These values are not covered by test limits in production or characterization
40 kΩ
R
PULLDOWN
Pull-down resistance
(2)
40 kΩ
V
IL
Input low-level voltage -0.3 0.2 * V
VDD
V
V
IH
Input high-level voltage 0.8 * V
VDD
V
VDD
+ 0.3
V
OL
Output low-level voltage 0.4
V
OH
Output high-level voltage V
VDD
- 0.4
I
OL
Output low-level current
(3)
ODCR0=0
1.68V<V
VDD
<2.7V 0.8
mA
2.7V<V
VDD
<3.6V 1.6
ODCR0=1
1.68V<V
VDD
<2.7V 1.6
mA
2.7V<V
VDD
<3.6V 3.2
I
OH
Output high-level current
(3)
ODCR0=0
1.68V<V
VDD
<2.7V 0.8
mA
2.7V<V
VDD
<3.6V 1.6
ODCR0=1
1.68V<V
VDD
<2.7V 1.6
mA
2.7V<V
VDD
<3.6V 3.2
t
RISE
Rise time
(2)
OSRR0=0 ODCR0=0
1.68V<V
VDD
<2.7V,
load = 25pF
35
ns
OSRR0=1 45
OSRR0=0 ODCR0=0
2.7V<V
VDD
<3.6V,
load = 25pF
19
ns
OSRR0=1 23
t
FALL
Fall time
(2)
OSRR0=0 ODCR0=0
1.68V<V
VDD
<2.7V,
load = 25pF
36
ns
OSRR0=1 47
OSRR0=0 ODCR0=0
2.7V<V
VDD
<3.6V,
load = 25pF
20
ns
OSRR0=1 24
F
PINMAX
Output frequency
(2)
OSRR0=0
ODCR0=0, V
VDD
>2.7V
load = 25pF
17 MHz
OSRR0=1 15 MHz
OSRR0=0
ODCR0=1, V
VDD
>2.7V
load = 25pF
27 MHz
OSRR0=1 23 MHz
I
LEAK
Input leakage current
(3)
Pull-up resistors
disabled
0.01 1 µA
C
IN
Input capacitance
(2)
5pF