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LAN9221 Datasheet, PDF (57/151 Pages) SMSC Corporation – High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O | |||
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High-Performance 16-bit Non-PCI 10/100 Ethernet Controller with Variable Voltage I/O
Datasheet
3.12.6 Transmit Examples
3.12.6.1
TX Example 1
In this example a single, 111-Byte Ethernet packet will be transmitted. This packet is divided into three
buffers. The three buffers are as follows:
Buffer 0:
 7-Byte âData Start Offsetâ
 79-Bytes of payload data
 16-Byte âBuffer End Alignmentâ
Buffer 1:
 0-Byte âData Start Offsetâ
 15-Bytes of payload data
 16-Byte âBuffer End Alignmentâ
Buffer 2:
 10-Byte âData Start Offsetâ
 17-Bytes of payload data
 16-Byte âBuffer End Alignmentâ
SMSC LAN9221/LAN9221i
57
DATASHEET
Revision 2.6 (12-04-08)
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