NXP Semiconductors QorIQ LX2160A - 2.17.1 Multi-status LEDs

Table 2-18. LX2160ARDB LEDs (continued)
Reference
designator
LED color LED name Description (when LED is ON)
D28 Green 3VSB The ATX power supply is supplying 3.3 V “standby power”
to the system. The system cannot power up unless this
supply is provided.
D29 Green 3V3 3V3 ATX power supply is operating correctly
D30 Green VDD VDD (processor core) power supply is operating correctly
D31 Green GVDD GVDD (DDR4) power supply is operating correctly
D32 Green SDAV SD_AVDD power supply is operating correctly
D33 Green USBV USB_SVDD power supply is operating correctly
D34 Green OVDD OVDD power supply is operating correctly
D35 Green 0V85 0V85 power supply is operating correctly
D36 Green VTT1 VTT1 power supply is operating correctly
D37 Green SDV SD_VDD power supply is operating correctly
D38 Green 2Vx 2V1 and 2V5 power supplies are operating correctly
D39 Green LVX 0V9 and 1V2 power supplies are operating correctly
D5 Green QSFP A QSFP module is installed in the QSFP port
D9 Green 25GMAC5 An SFP module is installed in 25G MAC5 SFP port
D10 Green 25GMAC6 An SFP module is installed in 25G MAC6 SFP port
D11 Green USB1_5V 5 V power is supplied to the USB #1 connector for external
devices
D13 Green USB2_5V 5 V power is supplied to the USB #2 connector for external
devices
2.17.1 Multi-status LEDs
The board includes eight multi-status LEDs that indicate hardware activity; however,
software can override these LEDs to use them for debugging purposes. The table below
describes the functions of the multi-status LED arrays.
Table 2-19. LED array functions
LED Startup (from power on to
power-up complete + 2 seconds)
Normal (after 2 seconds) User-defined (if register
CTL[1] (LED) = 1)
M7 Power Sequencer state
(see Table 2-20)
"Idle" pattern, a pattern shown to indicate that the
FPGA has completed all startup activities
M[7:0] reflect contents of
the LED register
M6
M5
M4 Off always
M3 Reset Sequencer state
(see Table 2-21)
Live I2C1_SCL activity
M2 Live I2C remote activity
M1 Same as M[3:2], except that short pulses are
stretched to 500 ms for easier detection
M0
LEDs
QorIQ LX2160A Reference Design Board Reference Manual, Rev. 0, 09/2018
54 NXP Semiconductors