EVM Components
Figure 1. DP83867ERGZ RGMII EVM
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EVM Components
2.1
Power
Internal LDO
The PHY can be powered up through internal LDO and requires a 5-V DC input through the ‘5V’ and
‘GND’ pins or through the USB port.
External Supplies
The EVM has headers for connecting external supplies to power the PHY. Refer the user’s guide
(
) for more information on how to configure the EVM for external power supplies.
2.2
LED
The EVM has 3 LED configurations for indicating LINK, 1000M LINK, and ACTIVITY. Depending on the
current state of the PHY, respective LEDs will turn ON.
LINK:
Turns ON if the PHY successfully links with a Link partner for 10M, 100M, or 1000M speeds.
1000M LINK:
Turns ON only if 1000M link is establish.
ACTIVITY:
Turns ON if there is activity on Media Dependent Interface.
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DP838367 RGMII EVM
SNLU189 – October 2015
Copyright © 2015, Texas Instruments Incorporated