參數(shù)資料
型號: KSZ8041FTLI TR
廠商: Micrel Inc
文件頁數(shù): 18/58頁
文件大小: 0K
描述: TXRX PHY 10/100 SGL LP 48TQFP
標準包裝: 1,000
類型: 收發(fā)器
驅(qū)動器/接收器數(shù): 1/1
規(guī)程: SMII
電源電壓: 3.135 V ~ 3.465 V
安裝類型: 表面貼裝
封裝/外殼: 48-TQFP
供應(yīng)商設(shè)備封裝: 48-TQFP(7x7)
包裝: 帶卷 (TR)
Micrel, Inc.
KSZ8041TL/FTL
April 2007
25
M9999-042707-1.1
The following figure and table shows the transmit data/control format for each segment:
TX_ER
TX_EN
TXD0
TXD1
TXD2
TXD3
TXD4
TXD5
TXD6
TXD7
CLOCK
SYNC
TX
Figure 2. SMII Transmit Data/Control Segment
SMII TX Bit
Description
TX_ER
Transmit Error
TX_EN
Transmit Enable
TXD[0:7]
Encoded Data
See SMII TXD[0:7] Encoding Table (below)
Table 5. SMII TX Bit Description
TX_ER
TX_EN
TXD0
TXD1
TXD2
TXD3
TXD4
TXD5
TXD6
TXD7
X
0
Use to
force an
error in a
direct
MAC-to-
MAC
connection
Speed
0=10M
1=100M
Duplex
0=Half
1=Full
Link
0=Down
1=Up
Jabber
0=No
1=Yes
1
X
1
One Data Byte
Table 6. SMII TXD[0:7] Encoding Table
Receive Data and Control (RX)
RX provides receive data and control information from PHY-to-MAC in 10-bit segments.
In 10Mbps mode, each segment is repeated ten times. Therefore, every ten segments represent a new byte of
data. The MAC can sample any one of every ten segments.
In 100Mbps mode, each segment represents a new byte of data.
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