LU82541PI Intel, LU82541PI Datasheet - Page 17

• Manufacturer Part Number: LU82541PI
• Manufacturer: Intel

Specifications of LU82541PI

• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 196
• Lead Free Status / RoHS Status: Compliant

3.6
3.7
3.7.1
Test Interface Signals (6)
Power Supply Connections
Digital and Analog Supplies
MDI[3]+/-
IEEE_TEST-
IEEE_TEST+
TEST
JTAG_TCK
JTAG_TDI
JTAG_TDO
JTAG_TMS
JTAG_TRST#
3.3V
ANALOG_1.8V
CLKR_1.8V
XTAL_1.8V
1.2V
ANALOG_1.2V
PLL_1.2V
Symbol
Symbol
A
A
A
P
P
P
P
P
P
P
Type
Media Dependent Interface [3].
1000BASE-T: In MDI configuration, MDI[3]+/- corresponds to BI_DC+/-, and in MDI-X
configuration, MDI[3]+/- corresponds to BI_DD+/-.
100BASE_TX: Unused.
10BASE-T: Unused.
IEEE test pin output minus. Used to gain access to the internal PHY clock for
1000BASE-T IEEE physical layer conformance testing.
Analog test pin output plus. Used to gain access to the internal PHY clock for
1000BASE-T IEEE physical layer conformance testing.
I
I
I
O
I
I
Type
3.3 V I/O Power Supply.
1.8 V Analog Power Supply.
1.8 V analog power supply for the clock recovery.
Input power for the XTAL regulator.
1.2 V Power supply. For analog and digital circuits.
1.2 V Analog Power Supply.
Input power for the ICS regulator.
Test Enable. Enables test mode.
Normal mode: connect to VSS.
JTAG Test Access Port Clock.
JTAG Test Access Port Data In.
JTAG Test Access Port Data Out.
JTAG Test Access Port Mode Select.
JTAG Test Access Port Reset. This is an active low reset signal for JTAG.
To disable the JTAG interface, this signal should be terminated using pull-
down resistor (1 KΩ for the 82541GI(EI) and 100 Ω for the 82541PI) to
ground. It must not be left unconnected.
Name and Function
Networking Silicon — 82541(PI/GI/EI)
Name and Function
17