Figure 3-16. USB-B Host Interface Schematic
10k
0402
1%
R90
VBUS
1
GND
4
D-
2
D+
3
0
USB2.0 STD-A FEMALE
J11
GND
EARTH_USB_B
USBB_N
USBB_P
EN
1
FLG
2
GND
3
NC
4
NC
5
OUT
6
IN
7
OUT
8
USB Power Switch
MIC2025-1YM
U3
0.1uF
10V
0402
C8
GND
10uF
10V
0603
C9
GND
GND
0.1uF
10V
0402
C11
VDD_MAIN
USBB_POWER_EN_PA10
USBB_OVCUR_PA15
USBB
10k
0402
1%
R89
VDD_3V3
120R
BLM18PG121SN1D
FB2
120R
BLM18PG121SN1D
FB3
10uF
10V
0603
C27
GND
10uF
10V
0603
C29
GND
VBUS_USBB
DIFF90
DIFF90
90Ω ±10% differential trace impedance
Routing top or bottom
Figure 3-17. USB-B Host Connector J11 Location
The table below describes the pin assignment of USB-B connector J11.
ATSAMA5D27-WLSOM1-EK1
Baseboard Components
©
2019 Microchip Technology Inc.
User Guide
DS50002931A-page 19