Atmel SAM4L Xplained Pro Starter Kit Atmel ATSAM4L-XSTK ATSAM4L-XSTK Data Sheet

42023ES–SAM–07/2013

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 

 for details

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

k

Ω

R

PULLDOWN

Pull-down resistance

40

k

Ω

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

DRIVEH=0

0.5

mA

DRIVEH=1

1

DRIVEH=2

1.5

DRIVEH=3

3

f

MAX

Max frequency

HsMode with Current source; 
DRIVEx=3, SLEW=0

Cbus = 400pF, V

VDD

 = 1.68V

3.5

6.4

MHz

t

RISE

HsMode Mode, DRIVEx=3, SLEW=0

Cbus = 400pF, Rp = 440Ohm, 

V

VDD

 = 1.68V

28

38

ns

t

FALL

Fall time

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