Atmel SAM4L Xplained Pro Evaluation Kit Atmel ATSAM4L-XPRO ATSAM4L-XPRO Data Sheet

42023ES–SAM–07/2013

USB I/O Pin Characteristics in GPIO 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

40

k

Ω

R

PULLDOWN

Pull-down resistance

40

k

Ω

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)

3.

These values are based on characterization. These values are not covered by test limits in production

ODCR0=0

1.68V<V

VDD

<2.7V

20

mA

2.7V<V

VDD

<3.6V

30

I

OH

Output high-level current

(3)

ODCR0=0

1.68V<V

VDD

<2.7V

20

mA

2.7V<V

VDD

<3.6V

30

F

PINMAX

Maximum frequency

ODCR0=0
OSRR0=0

load = 25pF

20

MHz

I

LEAK

Input leakage current

(3)

Pull-up resistors disabled 

0.01

1

µA

C

IN

Input capacitance

5

pF

TWI Pin Characteristics in TWI configuration

 (1)

R

PULLUP

Pull-up resistance

 (2)

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

V

OL

Output low-level voltage

0.4

V

I

OL

Output low-level current

 (3)

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