SI5346-EVB Datasheet, PDF (5/20 Pages) Silicon Laboratories – Powered from USB port or external power supply

5. Status LEDs
Si5346-EVB
Si5346 EVB Status LEDs
Location Silkscreen Color Status Function Indication
D5 LOS_XAXBB Blue _{XA/XB Loss of Signal indicator}
D6
INTRB
Blue MCU INTR (Interrupt) active
D7
LOL_BB Blue _{DSPLL A Loss of Lock indicator}
D8
LOL_AB Blue _{DSPLL B Loss of Lock indicator}
D11
+5V MAIN Green Main USB +5V present
D12
READY Green _{MCU Ready}
D13
BUSY Green _{MCU Busy}
D5, D6, D7, and D8 are status LEDs indicating the device alarms currently asserted. D11 is illuminated when USB
+5 V supply voltage is present. D12 and D13 are status LEDs showing on-board MCU activity.
Figure 3. Status LEDs
Rev. 1.0
5