3 Board Setup Details
3.1 Power Supply Selection
3.1.1 Onboard Power Supply Operation
• DP83TD510E Onboard Power
– Place shunt at J14 in the "On-Board" position to enable onboard VDDIO
– Place shunt at J15 in the "On-Board" position to enable onboard VDDA
– Place shunt at J16 in the "On-Board" position to enable onboard DVDD
– Remove shunt at J9
• DP83822I Onboard Power
– Populate R5, R6 to deliver power through J25 from DP83TD510E board
3.1.2 External Power Supply Operation
• DP83TD510E External Power
– Place shunt at J14 in the "EXT" position
– Place shunt at J15 in the "EXT" position
– Place shunt at J16 in the "EXT" position
– Connect 1.0V to DVDD-EXT on J16
– Connect 3.3-V tor 1.8V to VDDA-EXT on J15
– Connect 1.8-V, 2.5-V, or 3.3-V to VDDIO-EXT on J14
– Connect ground to GND on J12 pin 2
• DP83822I External Power
– Remove R5, R6 to disconnect VDDA, VDDIO from DP83TD510E board
– Place shunt at J26 in the "EXT" position to disable onboard VDDA
– Place shunt at J27 in the "EXT" position to disable onboard VDDIO
– Connect 3.3-V or 1.8-V to VDDA-EXT on J21 or J26
– Connect 1.8-V, 2.5-V, or 3.3-V to VDDIO-EXT on J21 or J27
– Connect ground to GND on J21
3.1.3 USB Power Supply Option
DP838TD510E block powered by USB.
• Plug in micro-USB to J4
• Place shunt at J9
• Place shunt at J14 in the "On-Board" position
• Place shunt at J15 in the "On-Board" position
• Place shunt at J16 in the "On-Board" position
Note
Only populate J9 when powering over USB.
Board Setup Details
10
DP83TD510E-EVM User’s Guide
SNLU271A – MARCH 2020 – REVISED AUGUST 2020
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