User manual

4-12 SAM9N12/CN11-EK User Guide
11186A–ATARM–29-Nov-12
4.3.12 USB Ports
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
TP 12
+5V
+
C37
10uF
C32
10pF
D6
TVS
1
2
D5
TVS
1
2
R16 0R
R17 0R
R18 0R
R19 0R
D4
TV S
1
2
USB_A
J2
USB- AF-4
1
4
5
2
3
6
USB_+5V
PC31
RV1
V5.5MLA0603
PB8
VBUS
SHD
DM
DP
ID
GND
J3
USB Micro B
1
2
3
4
5
7
6
8
9
C31
100nF
R21 27R
R20 27R
R24 27R
R25 27R
R26
47K
MN 6
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 100MH z
1 2
R22 47K
C17
100nF
L6
220ohm at 100MH z
1 2
+5V_LCD
D3
TVS
1
2
R23
68K
+3V3
TP 14
RV2
V5. 5MLA0603
+
C15
33uF
PB16
+
C20
33uF
C25
100nF