LAN9118-MD SMSC, LAN9118-MD Datasheet - Page 51
LAN9118-MD
Manufacturer Part Number
LAN9118-MD
Description
Ethernet ICs HiPerfrm Sngl-Chip 10/100 Ethrnt
Manufacturer
SMSC
Type
Single Chip MAC and PHYr
Datasheet
1.LAN9118-MT.pdf
(132 pages)
Specifications of LAN9118-MD
Ethernet Connection Type
10 Base-T, 100 Base-TX
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Product
Ethernet Controllers
Number Of Transceivers
1
Standard Supported
802.3
Data Rate
10 MB, 100 MB
Supply Voltage (max)
3.3 V
Supply Voltage (min)
0 V
Maximum Operating Temperature
+ 70 C
Package / Case
TQFP-100
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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High Performance Single-Chip 10/100 Non-PCI Ethernet Controller
Datasheet
SMSC LAN9118
3.12.6.2
TX Command 'A'
Buffer End Alignment = 0
Data Start Offset = 6
First Segment = 1
Last Segment = 1
Buffer Size =183
TX Command 'B'
Packet Length = 183
TX Example 2
In this example, a single 183-Byte Ethernet packet will be transmitted. This packet is in a single buffer
as follows:
Figure 3.15, "TX Example 2" illustrates the TX command structure for this example, and also shows
how data is passed to the TX data FIFO. Note that the packet resides in a single TX Buffer, therefore
both the FS and LS bits are set in TX command ‘A’.
2-Byte “Data Start Offset”
183-Bytes of payload data
4-Byte “Buffer End Alignment”
31
Ethernet Controller
Data Written to the
6-Byte Data Start Offset
183-Byte Payload Data
TX Command 'A'
TX Command 'B'
Figure 3.15 TX Example 2
3B End Padding
DATASHEET
51
0
NOTE: Extra bytes between buffers
are not transmitted
Data Passed to the
183-Byte Payload Data
TX Data FIFO
TX Command 'A'
TX Command 'B'
Revision 1.5 (07-11-08)
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