User Interface Led Indicators - NXP Semiconductors i.MX 8M Nano LPDDR4 EVK User Manual

NXP Semiconductors

2.19 User interface LED indicators

There are four LED indicators on the board. These LEDs have the following functions:
• Main power supply, D708:
— Green: The board is powered on.
— OFF: The board is powered off.
• System status, D1, on 8MNANOLPD4-CPU
— Green blinking: – CPU is running well.
— OFF: CPU is not running.
• M7 UART, D902/D903
— D902 Green light flashing: The UART data transmitted to PC.
— D903 Orange light flashing: The UART data received from PC.
• A53 UART, D906/D905
— D906 Green light flashing: The UART data transmitted to PC.
— D905 Orange light flashing: The UART data received from PC.
Figure 5. LED indicator
User's Guide
i.MX 8M Nano LPDDR4 EVK Board Hardware User's Guide, Rev. 1, 12/2020
Specifications
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