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Networking Silicon — 82540EP
Datasheet 15
3.6 Test Interface Signals
3.7 Power Supply Connections
3.7.1 Digital Supplies
3.7.2 Analog Supplies
Symbol Type Name and Function
JTAG_TCK I JTAG Clock.
JTAG_TDI I JTAG TDI.
JTAG_TDO O JTAG TDO.
JTAG_TMS I JTAG TMS.
JTAG_
TRST#
I
JTAG Reset. This is an active low reset signal for JTAG. This signal should be
terminated using a pull-down resistor to ground. It must not be left unconnected.
TEST I
Factory Test Pin.
CLKVIEW O
Clock View. Output for GTX_CLK and RX_CLK during IEEE PHY conformance testing.
The clock is selected by register programming.
Symbol Type Name and Function
VDDO P 3.3 V I/O Power Supply.
DVDD P 1.5 V Digital Core Power Supply.
Symbol Type Name and Function
AVDDH P 3.3 V Analog Power Supply.
AVDDL P 2.5 V Analog Power Supply.