Si5346-EVB
Rev. 1.0
5
5. Status LEDs
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
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
