Datasheet

119
42023GS–SAM–03/2014
ATSAM4L8/L4/L2
9.6.5 High Drive TWI Pin : PB00, PB01
Table 9-19. High Drive TWI Pin Characteristics in TWI configuration
(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
PB00, PB01 40 kΩ
R
PULLDOWN
Pull-down resistance
(2)
40 kΩ
V
IL
Input low-level voltage -0.3 0.3 * V
VDD
V
V
IH
Input high-level voltage 0.7 * 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)
3. These values are based on characterization. These values are not covered by test limits in production
DRIVEL=0 0.5
mA
DRIVEL=1 1.0
DRIVEL=2 1.6
DRIVEL=3 3.1
DRIVEL=4 6.2
DRIVEL=5 9.3
DRIVEL=6 15.5
DRIVEL=7 21.8
I
CS
Current Source
(2)
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