6-10
SAMA5D3x-EK User Guide
11180A–ATARM–30-Jan-13
6.2.5
USB Ports
The SAMA5D3 series-MB features three USB communication ports:
Port A
Host High Speed (EHCI) and Full Speed (OHCI) multiplexed with USB Device
High Speed Micro AB connector, J20
Port B
Host High Speed (EHCI) and Full Speed (OHCI)
standard type A connector, J19 upper port
Port C
Host Full Speed (OHCI) only
standard type A connector, J19 lower port
All three USB host ports are equipped with 500 mA high-side power switch for self-powered and bus-
powered applications. The USB device port feature VBUS inserts detection function through the resistor
ladder R138 and R139.
Refer to the embedded MPU product datasheet for detailed programming information. For datasheet ref-
erence numbers and titles, see
Section 1.2 ”Applicable Documents” on page 1-1
.
Figure 6-8.
USB Port A
OVCUR_USB
(VBUS_SENSE)
USB A HOST/DEVICE INTERFACE
(IDUSBA)
EN5V_HDA
OPEN:Enable LCD for D31,D33,D34
CLOSE:Disable LCD for D35
PD28
5V
3V3
EARTH_USB
EARTH_USB
3V3
3V3
3V3
PD29
3
USBA_DM 3
USBA_DP
3
5V_LCD
13
EN_PWRLCD
13
PD25
3
LCD_DETECT#
13
SHD
J20
47589-0001
SHD
J20
47589-0001
1
2
3
4
5
7
8
6
9
10
11
L15
220ohm at 100MHz
L15
220ohm at 100MHz
1
2
C107
100n
C107
100n
C109
100n
C109
100n
L14
220ohm at 100MHz
L14
220ohm at 100MHz
1
2
R140
47k
R140
47k
MN15
AIC1526-1GS
MN15
AIC1526-1GS
ENA
1
FLGA
2
ENB
4
OUTA
8
GNG
6
FLGB
3
IN
7
OUTB
5
R139
82k
R139
82k
R138
47k
R138
47k
+
C106
33u
+
C106
33u
C108
100n
C108
100n
C111
15p
C111
15p
JP17
SIP2
JP17
SIP2
1
2
R163
47k
R163
47k
1A
1Y
2A
GND
VCC
2Y
MN21
SN74LVC2GU04
1A
1Y
2A
GND
VCC
2Y
MN21
SN74LVC2GU04
1
2
3
4
5
6
C75
10u
C75
10u
R137
47k
R137
47k
C99
100n
C99
100n
electronic components distributor
