Power LEDs
The phyCORE-AM64x Carrier Board has three green LEDs and one red LED which indicates the presence of power on the various supply rails available. These LEDs are not user programmable and are present for hardware debugging purposes only.
The table below lists the LEDs and information about their corresponding power rails.
Reference Designator |
Description |
|---|---|
D22 |
VCC_3V3 Power Rail Indicator: The switching regulator (U90) powers the VCC_3V3 supply rail which powers the peripheral load switch (U68). |
D23 |
VCC_3V3_SW Power Rail Indicator: The load switch (U68) powers the VCC_3V3_SW supply rail which powers the various 3V3 accessory circuits on the Carrier Board. |
D26 |
VCC_5V0_MAIN Power Rail Indicator: The switching regulator (U88) powers the VCC_5V0_MAIN supply rail which powers the peripheral load switch (U69) as well as providing power to the SOM. |
D24 |
VCC_5V0_SW Power Rail Indicator: The load switch (U69) powers the VCC_5V0_SW supply rail which powers the various 5V0 accessory circuits on the Carrier Board. |