AL i.MX8M Mini - Rev. 2.0
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3.1.9.
Debug Interface
There is a Debug Interface using UART protocol with a Mini-B USB connector, see Figure 8 (pos. 9).
An additional adapter is needed to translate the 3.3 V UART signals (provided on the Mini-B USB connector) to USB. The debug
interface is for service purpose and should only be used by qualified personnel.
For the pin assignment of the debug connector, refer to Chapter 3.2.9: USB Debug Connector (X3).
3.1.10.
USB OTG Interface
There is a Micro-USB OTG connector that can be used as USB 2.0 compatible device or host, see Figure 8 (pos. 10).
The USB OTG interface is for service purpose and should only be used by qualified personnel.
For the pin assignment of the USB OTG connector, refer to Chapter 3.2.10: USB OTG Connector (X10).
3.1.11.
MicroSD Card Slot
There is a card slot to connect a microSD card for extra memory, see Figure 8 (pos. 11).
For the pin assignment of the microSD card slot, refer to Chapter 3.2.11: MicroSD Card.
3.1.12.
Functional Earth Connector
The GND pin of the power connector is connected to functional earth of the electronics, to the mounting clamp and to the metal
housing of the AL i.MX8M Mini.
