參數(shù)資料
型號: L84225
英文描述: L84225 100BaseTX/FX/10BaseT Physical Layer Device technical manual 4/02
中文描述: L84225 100BaseTX/FX/10BaseT物理層設(shè)備的技術(shù)手冊,4月2日
文件頁數(shù): 99/118頁
文件大小: 890K
代理商: L84225
Specifications
Copyright 1999-2002 by LSI Logic Corporation. All rights reserved.
99 of 118
April, 2002
Figure 18
Receive Timing, Start of Packet - 100 Mbps, MII & FBI
t
44
t
45
LEDn Pulse Width
RXCLK, RXD, CRS,
RXDV, RXER Output
Rise and Fall Times
60
105
10
ms
ns
LEDn Programmed for Activity
Sym.
Parameter
Limit
Unit
Conditions
Min
Typ
Max
TX
TX
TX
TX
TX
RX
RX
RX
RX
RX
RX
t
37
IDLE
J
DATA DATA DATA DATA DATA
DATA DATA
DATA DATA DATA DATA
TPI
±
CRS
RXCLK
RXDV
RXD[3:0]
DATA
DATA
DATA
K
DATA
DATA DATA
DATA
t
31
t
41
PREAMBLE
PREAMBLE
PREAMBLE
PREAMBLE
PREAMBLE
RXER
PLEDn
t
38
t
39
t
37
t
37
t
37
t
43
t
44
t
33
MII 100 Mbps
FBI 100 Mbps
Same as MII 100 Mbps except:
1. RXER Converted to RXD4.
2. TXER Converted to TXD4.
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