pITX-iMX8M – User Guide Rev. 1.4
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6.4.1.
ETH0 LEDs
Table 13: ETH0 LED Signal Description
Left RJ45 LEDs
Function
Green
Off = no receive or transmit activities On = receive or transmit activity
Yellow
Off = no link, 10/100Base-T Link On = 1000Base-T Link
6.4.2.
ETH1 LEDs
Table 14: ETH1 LED Signal Description
Right RJ45 LEDs
Function
Green
Off = no receive or transmit activities
Blinking = receive or transmit activity
On = link established
Yellow
Off = no link, 10/100Base-T Link
On = 1000Base-T Link
6.5.
USB Connectors
pITX-iMX8M board supports a dual-stacked USB3.0 interface with 5 Gbps speed. The following connections are
available:
1x Dual-stacked USB3.0 Type A at rear I/O
1x Dual internal USB2.0
1x USB OTG
6.5.1.
USB Connectors (I/O area, J13)
Figure 13: USB 2.0/3.0 socket
Table 15: Pin Assignment Dual USB
Pin
Connector Pin
Direction
Description
1
VBUS_BOT
POWER
USB 5V Power Distribution to downstream device.
2
USB_BOT_D-
BIDIR
USB3 HUB P2 differential USB 2.0 data pairs.
3
US
BIDIR
USB 2.0
USB 3.0
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