User guide

Evaluation Kit Hardware
Evaluation Kit (EK) User Guide 4-29
11115A–ATARM–27-Jul-11
4.3.3.6 USB Ports
The Evaluation Kit features three USB communication ports:
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 features VBUS insert 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”.
Figure 4-23. USB Port (A)
Figure 4-24. USB Port (B & C)
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
R139
47k
R138 82k
ACTIVE LOW
R137
47k
OVCUR_USB
R140
47k
C109
100n
C108
100n
(VBUS_SENSE)
EN5V_HDA#
(IDUSBA)
USB A HOST/DEVICE INTERFACE
+
C110
33u
L15
220ohm at 100MHz
1 2
MN15
AIC1526-0GS
ENA
1
FLGA
2
ENB
4
OUTA
8
GNG
6
FLGB
3
IN
7
OUTB
5
PB16
5V
3V3
C107
100n
+
C106
33u
L14
220ohm at 100MHz
1 2
USBA_DP
USBA_DM
LCD_DETECT#5V_INTER
EARTH_USB
EARTH_USB
C111
15p
VBUS
SHD
DM
DP
ID
GND
J20
G3515-09010101-00
1
2
3
4
5
76
PB17
3V3
L21
220ohm at 100MHz
1 2
EARTH_USB
USBC_DP
USBC_DM
C101
100n
EN5V_HDB#
EN5V_HDC#
+
C103
33u
OVCUR_USB
L12
220ohm at 100MHz
1 2
+
C104
33u
L13
220ohm at 100MHz
1 2
MN14
AIC1526-0GS
ENA
1
FLGA
2
ENB
4
OUTA
8
GNG
6
FLGB
3
IN
7
OUTB
5
PB17
5V
USB HOST B&C INTERFACE
EARTH_USB
A
B
J19
Dual USB A
A1
A4
A2
A3
1 2
B1
B2
B3
B4
3 4
C102
100n
C105
100n
USBB_DM
USBB_DP