參數(shù)資料
型號: L80227
廠商: LSI CORP
元件分類: 網(wǎng)絡(luò)接口
英文描述: 10BASE-T/100BASE-TX Ethernet Physical Layer Device (PHY)(10BASE-T/100BASE-TX 以太網(wǎng)物理層處理器)
中文描述: DATACOM, ETHERNET TRANSCEIVER, PQFP64
封裝: LQFP-64
文件頁數(shù): 70/158頁
文件大小: 1084K
代理商: L80227
Draft 6/5/00
3-8
Signal Descriptions
Copyright 1999 by LSI Logic Corporation. All rights reserved.
3.5 Miscellaneous Signals
ANEG
AutoNegotiation Input
This pin control AutoNegotiation operation.
I
COL
Collision Output
COL is asserted HIGH when a collision between transmit
and receive data is detected.
O 12
DPLX
Full/Half Duplex Select Input
When the ANEG pin is LOW, the DPLX pin selects
Half/Full Duplex operation.
I
When the ANEG pin is HIGH, the DPLX pin is ignored
and the Half/Full Duplex operation is controlled from the
Duplex Mode Select bit (DPLX) in the MI serial port Con-
trol register or the AutoNegotiation outcome.
NC
No Connect
These pins are reserved for future use and should be left
floating for proper operation.
ANEG Pin
Meaning
HIGH
AutoNegotiation is on.
AutoNegotiation Enable is controlled
from the ANEG_EN bit, 10/100 Mbits/s
operation is controlled from the
SPEED bit, and Half/Full Duplex
operation is controlled from the DPLX
bit.
AutoNegotiation is off.
10/100 Mbits/s operation is controlled
from the SPEED pin and Half/Full
Duplex operation is controlled from the
DPLX pin.
LOW
DUPLX Pin
Meaning
HIGH
LOW
Full Duplex operation
Half Duplex operation
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