Fault ( Led1 ); Power ( Led5 ); Gpio ( Led4, Led6, Led7 ) - Analog Devices EV-21569-SOM Manual

LEDs
LED3 LED2
LEDs 4, 6 and 7
LED5
TX RX
GPIO
Power
LED1
Fault
LED8
Reset
Figure 3-7: LED Locations

Fault ( LED1 )

When ON (red), it indicates a system fault. For more information, refer to the ADSP-2156xHardware Reference
Manual.

Power ( LED5 )

When ON (green), it indicates that power is being supplied to the board properly.

GPIO ( LED4, LED6, LED7 )

Three LEDs are connected to the SoftConfig (see the GPIO LEDs table). The LEDs are active high and are turned
ON (amber) by writing to the U13 SoftConfig IC.
3–10 ®
EV-21569-SOM Manual