SI5341-EVB Datasheet, PDF (4/18 Pages) Silicon Laboratories – Powered from USB port or external power supply

Si5341-EVB
5. Status LEDs
Location
D27
D22
D26
D25
D21
D24
Si5341 EVB Status LEDs
Silkscreen Color Status Function Indication
5VUSBMAIN Blue _{Main USB +5V present}
3P3V
Blue _{DUT +3.3 V is present}
VDD DUT Blue _{DUT VDD voltage present}
INTR
Red _{MCU INTR (Interrupt) active}
READY Green _{MCU Ready}
BUSY
Green _{MCU Busy}
D27, D22, and D26 are illuminated when USB +5 V, Si5341 +3.3 V, and Si5341 V_DD supply voltages, respectively,
are present. D25, D21, and D24 are status LEDs showing on-board MCU activity.
Figure 3. Status LEDs
4
Rev. 1.1