KSZ8041FTLI Micrel Inc, KSZ8041FTLI Datasheet - Page 30

• Manufacturer Part Number: KSZ8041FTLI
• Description: Physical Layer Transceiver 10/100BASE-FX ( )
• Manufacturer: Micrel Inc
• Type: Transceiverr

Specifications of KSZ8041FTLI

• Number Of Drivers/receivers: 1/1
• Protocol: SMII
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 48-TQFP, 48-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 576-3294 - BOARD EVALUATION KSZ8041FTL
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 576-3347

Micrel, Inc.
The following figure and table shows the transmit data/control format for each segment:
Receive Data and Control (RX)
RX provides receive data and control information from PHY-to-MAC in 10-bit segments.
December 2009
x
x
TX_ER
X
X
CLOCK
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.
SYNC
TX
TX_EN
0
1
TX_ER
TXD0
Use to
force an
error in a
direct
MAC-to-
MAC
connection
One Data Byte
SMII TX Bit
TX_ER
TX_EN
TXD[0:7]
TX_EN
Figure 2. SMII Transmit Data/Control Segment
TXD0
TXD1
Speed
0=10M
1=100M
Table 6. SMII TXD[0:7] Encoding Table
Table 5. SMII TX Bit Description
TXD1
Description
Transmit Error
Transmit Enable
Encoded Data
See SMII TXD[0:7] Encoding Table (below)
TXD2
Duplex
0=Half
1=Full
TXD2
30
TXD3
Link
0=Down
1=Up
TXD3
TXD4
Jabber
0=No
1=Yes
TXD4
TXD5
TXD5
1
TXD6
TXD6
1
KSZ8041TL/FTL/MLL
TXD7
M9999-120909-1.2
TXD7
1