參數(shù)資料
型號： EWIXP455ABT
廠商： INTEL CORP
元件分類： 微控制器/微處理器
英文描述： 266 MHz, RISC PROCESSOR, PBGA544
封裝： LEAD FREE, PLASTIC, BGA-544
文件頁數(shù)： 121/163頁
文件大?。?/td> 1123K
代理商： EWIXP455ABT
Package Information
May 2005
Intel IXP45X and Intel IXP46X Product Line of Network Processors Datasheet
60
Document Number: 306261-002
UTP_OP_DATA[3:0] /
ETHA_TXDATA[3:0]
ZZ
Z
VO
TRI
UTOPIA Mode of Operation:
UTOPIA output data. Also known as UTP_TX_DATA. Used to send data from the processor to
an ATM UTOPIA Level 2-compliant PHY.
MII Mode of Operation:
Transmit data bus to PHY, asserted synchronously with respect to ETHA_TXCLK. This MAC
interface does not contain hardware hashing capabilities local to the interface. In this mode of
operation the pins represented by this interface are ETHA_TXDATA3:0].
SMII mode of operation:
Not used.
UTP_OP_DATA[4] /
ETHA_TXEN
ZZ
Z
VO
TRI
UTOPIA Mode of Operation:
UTOPIA output data. Also known as UTP_TX_DATA. Used to send data from the processor to
an ATM UTOPIA Level 2-compliant PHY.
MII Mode of Operation:
Indicates that the PHY is being presented with nibbles on the MII interface. Asserted
synchronously, with respect to ETHA_TXCLK, at the first nibble of the preamble, and remains
asserted until all the nibbles of a frame are presented. This MAC does not contains hardware
hashing capabilities local to the interface.
SMII mode of operation:
Not used.
UTP_OP_DATA[6:5]
Z
VO
TRI
UTOPIA Mode of Operation:
UTOPIA output data. Also known as UTP_TX_DATA. Used to send data from the processor to
an ATM UTOPIA Level 2-compliant PHY.
Table 15.
UTOPIA Level 2/MII_A/ SMII[4] Interface (Sheet 2 of 9)
Name
Power
on
Reset
Normal
After
Reset
Until
Software
Enables
Normal
After
Software
Enables
Type
Description
NOTE:
This table discusses all features supported on the Intel IXP45X and Intel IXP46X Product Line of Network Processors. For details on feature support listed by processor,
see Table 1 on page 14.
For a legend of the Type codes, see Table 10 on page 46.
For information on selecting the desired interface, see the Intel
IXP45X and Intel IXP46X Product Line of Network Processors Developer’s Manual.
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