MK715x1EK1A Hardware Manual
2. Hardware specifications
FEXK715x1EK1A_HardManual-01
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2.3.2
Power LED
The Power LED (red) lights on when the power (VDDIO) to the MK715x1 is turned on.
Fig. 2-7 : Power LED
2.3.3
UART status LED
The UART status LED (green) flashes during UART transmission and reception.
Fig. 2-8 : UART status LED