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Figure 3-29. USB-A Type microAB Connector J4 Location
3.2.10.4 USB-A VBUS Detection
The USB-A port (J4) features a VBUS detection function provided by the R148-R149 resistor bridge.
The figure below shows the USB implementation on the USBA port.
Figure 3-30. USB-A Power and VBUS Detection
GND_POWER
EARTH_USB_A
GND_POWER
GND_POWER
VBUS_USBA
USBA_VBUS_5V_PB11
USBA_DP
USBA_DM
C103
20pF
C0402
VBUS
SHD
DM
DP
ID
GND
J4
MicroUSB AB Connector
USBMICRO5_6A
1
2
3
4
5
8
6
1
1
7
9
10
R149
200K
R0402
R148
100K
R0402
Table 3-12. USB-A PIO Signal Descriptions
PIO
Mnemonic
Shared
Signal Description
PB11
USBA_VBUS_5V
-
VBUS insertion detection
3.2.10.5 USB-B Interface
The figure below shows the USB implementation on the USB-B port.
SAMA5D2-PTC-EK
Board Components
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2017 Microchip Technology Inc.
DS50002709A-page 29