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# IJTAG Reset. This is an active low reset signal for JTAG. This signal should be
terminated using a pull- down resistor to ground. I t must not be left unconnect ed.
TEST I Factory Test Pin.
CLKVIEW O Clock View. Output for GTX_CLK an d RX_CLK during IEEE PHY con f ormance te sting .
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 Ana log Power Supply.
AVDDL P 2.5 V Analog Power Supply.