LAN9500 Datasheet, PDF (52/213 Pages) SMSC Corporation – USB 2.0 to 10/100 Ethernet Controller Promiscuous mode

LAN950x
FIGURE 5-6:
TX EXAMPLE 1
USB Packet 2
.
.
.
TX Command B
TX Command A
62 Byte Payload
TX Command B
TX Command A
TX Command A
Data Start Offset = 2
First Segm ent = 0
Last Segment = 1
Buffer Size = 62
TX Command B
Frame Length = 1064
USB Packet 1
503 Byte Payload
TX Command B
TX Command A
TX Command A
Data Start Offset = 0
First Segm ent = 0
Last Segment = 0
Buffer Size = 503
TX Command B
Frame Length = 1064
1064 Byte
E th e rn e t
Fram e
USB Packet 0
499 Byte Payload
TX Command B
TX Command A
TX Command A
Data Start Offset = 3
First Segm ent = 1
Last Segment = 0
Buffer Size = 499
TX Command B
Frame Length = 1064
DS00001875A-page 52
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