LAN9211_12 Datasheet, PDF (55/147 Pages) SMSC Corporation – High-Performance Small Form Factor Single-Chip Ethernet Controller with HP Auto-MDIX Support

High-Performance Small Form Factor Single-Chip Ethernet Controller with HP Auto-MDIX Support
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 “Data Start Offset”
„ 79-Bytes of payload data
„ 16-Byte “Buffer End Alignment”
Buffer 1:
„ 0-Byte “Data Start Offset”
„ 15-Bytes of payload data
„ 16-Byte “Buffer End Alignment”
Buffer 2:
„ 10-Byte “Data Start Offset”
„ 17-Bytes of payload data
„ 16-Byte “Buffer End Alignment”
SMSC LAN9211
55
DATASHEET
Revision 2.9 (03-01-12)