Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet

11186A–ATARM–29-Nov-12

The SAM9N12/CN11-EK features two full speed (OHCI) USB ports:

„

Host full speed, type A USB receptacle, J2

„

Device full speed, micro B USB receptacle, J3

SAM9N12/CN11-EK features USB power function from device port J3. SW1 functions as switch 
between USB supply and DC input jack J1.

The USB host ports are equipped with 500 mA power switch for bus-powered applications.

Figure 4-15.  USB Port

TP12

+5V

+

C37
10uF

C32
10pF

D6
TVS

1

2

D5
TVS

1

2

R16

0R

R17

0R

R18

0R

R19

0R

D4
TVS

1

2

U SB_A

J 2
USB-AF-4

1

4

5

2

3

6

USB_+5V

PC31

RV1

V5.5MLA0603

PB8

VBUS

SHD

DM

DP

ID

GND

J 3

USB Micro  B

1
2
3
4
5

7

6

8

9

C31
100nF

R21

27R

R20

27R

R24

27R

R25

27R

R26

47K

MN6

SP2526A-2

ENA

1

FLGA

2

ENB

4

OUTA

8

GNG

6

FLGB

3

IN

7

OUTB

5

D2
TVS

1

2

PB7

L7

220ohm at 100MHz

1

2

R22

47K

C17

100nF

L6

220ohm at 100MHz

1

2

+5V_LCD

D3
TVS

1

2

R23

68K

+3V3

TP14

RV2

V5. 5MLA0603

+

C15
33uF

PB16

+

C20
33uF

C25
100nF