參數(shù)資料
型號: KSZ8041TL-S
廠商: Micrel Inc
文件頁數(shù): 25/65頁
文件大?。?/td> 0K
描述: IC TXRX PHY 10/100 BASE 48TQFP
標(biāo)準(zhǔn)包裝: 250
類型: 收發(fā)器
驅(qū)動(dòng)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: 托盤
其它名稱: 576-3626
KSZ8041TL-S-ND
Micrel, Inc.
KSZ8041TL/FTL/MLL
December 2009
31
M9999-120909-1.2
The following figure and table shows the receive data/control format for each segment:
CRS
RX_DV
RXD0
RXD1
RXD2
RXD3
RXD4
RXD5
RXD6
RXD7
CLOCK
SYNC
RX
Figure 3. SMII Receive Data/Control Segment
SMII RX Bit
Description
CRS
Carrier Sense
RX_DV
Receive Data Valid
RXD[0:7]
Encoded Data
See SMII RXD[0:7] Encoding Table (below)
Table 7. SMII RX Bit Description
CRS
RX_DV
RXD0
RXD1
RXD2
RXD3
RXD4
RXD5
RXD6
RXD7
X
0
RX_ER
from
pervious
frame
Speed
0=10M
1=100M
Duplex
0=Half
1=Full
Link
0=Down
1=Up
Jabber
0=No
1=Yes
Upper
Nibble
0=Invalid
1=Valid
False
Carrier
Detected
1
X
1
One Data Byte
Table 8. SMII RXD[0:7] Encoding Table
Collision Detection
Collisions occur when CRS and TX_EN are simultaneously asserted. The MAC regenerates the MII collision signal from
CRS and TX_EN.
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