參數(shù)資料
型號(hào)： 82572EI
廠(chǎng)商： INTEL CORP
元件分類(lèi)： 微控制器/微處理器
英文描述： Gigabit Ethernet Controller
中文描述： 1 CHANNEL(S), 1000M bps, LOCAL AREA NETWORK CONTROLLER, BGA256
封裝： 17 X 17 MM, FC-BGA-256
文件頁(yè)數(shù)： 18/58頁(yè)
文件大?。?/td> 318K
代理商： 82572EI
82571EB/82572EI Gigabit Ethernet Controller
12
Product Datasheet
3.7
Other Signals
3.8
Crystal Signals
3.9
PHY Analog Signals
Port 0
Symbol
Type
Name and Function
SDP0_1
SDP0_2
SDP0_3
SDP0_4
SDP1_1/RSVD_P6
SDP1_2/RSVD_B6
SDP1_3/RSVD_C6
SDP1_4/RSVD_R6
TS
Software Defined Pin.
The Software Defined Pins are programmable with respect to
input and output capability. SDP0_3 and SDP1_3 may optionally be configured as
interrupt inputs. SDP signals default to inputs upon power-up, but may be configured
differently by the EEPROM.
Symbol
Type
Name and Function
XTAL1
I
Crystal One.
The Crystal One pin is a 25 MHz input signal. It should be connected to a parallel
resonant crystal with a frequency tolerance of 30 ppm or better. The other end of the crystal
should be connected to XTAL2. Optionally, an oscillator can be connected to XTAL 1. See the
design guide for more information..
XTAL2
O
Crystal Two.
Crystal Two is the output of an internal oscillator circuit used to drive a crystal
into oscillation.
Symbol
Type
Name and Function
RBIAS0p
RBIAS0n
P
Bias Resistors.
These are the reference connections for the Media Dependent Interface.
The recommended resistor value should be connected across the positive/negative pair,
even if the MDI interface is not used. Refer to the 82571EB/82572EI Design Guide for
the recommended value.
MDI_PLUS0_0
MDI_MINUS0_0
A
Media Dependent Interface [0].
1000BASE-T
: In MDI configuration, these correspond to BI_DA+/-, and in MDI-X
configuration, they correspond to BI_DB+/-.
100BASE-TX
: In MDI configuration, these are used for the transmit pair, and in MDI-X
configuration, they are used for the receive pair.
10BASE-T
: In MDI configuration, they are used for the transmit pair, and in MDI-X
configuration, used for the receive pair.
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