Datasheet

117
42023GS–SAM–03/2014
ATSAM4L8/L4/L2
I
CS
Current Source
(3)
DRIVEH=0 0.5
mA
DRIVEH=1 1
DRIVEH=2 1.5
DRIVEH=3 3
f
MAX
Max frequency
(2)
HsMode with Current source;
DRIVEx=3, SLEW=0
Cbus = 400pF, V
VDD
= 1.68V
3.5 6.4 MHz
t
RISE
Rise time
(2)
HsMode Mode, DRIVEx=3, SLEW=0
Cbus = 400pF, Rp = 440Ohm,
V
VDD
= 1.68V
28 38 ns
t
FALL
Fall time
(2)
Standard Mode, DRIVEx=3, SLEW=0
Cbus = 400pF, Rp = 440Ohm,
V
VDD
= 1.68V
50 95
ns
HsMode Mode, DRIVEx=3, SLEW=0
Cbus = 400pF, Rp = 440Ohm,
V
VDD
= 1.68V
50 95
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
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
Table 9-16. TWI Pin Characteristics in TWI configuration
(1)
Symbol Parameter Conditions Min Typ Max Units
Table 9-17. TWI Pin Characteristics in GPIO configuration
(1)
Symbol Parameter Conditions Min Typ Max Units
R
PULLUP
Pull-up resistance
(2)
40 kΩ
R
PULLDOWN
Pull-up 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
V
OL
Output low-level voltage 0.4 V
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 1.8
mA
2.7V<V
VDD
<3.6V 3.5
ODCR0=1
1.68V<V
VDD
<2.7V 3.6
2.7V<V
VDD
<3.6V 6.8
I
OH
Output high-level current
(3)
ODCR0=0
1.68V<V
VDD
<2.7V 1.8
mA
2.7V<V
VDD
<3.6V 3.5
ODCR0=1
1.68V<V
VDD
<2.7V 3.6
2.7V<V
VDD
<3.6V 6.8