LAN9115_05 SMSC [SMSC Corporation], LAN9115_05 Datasheet - Page 54

• Manufacturer Part Number: LAN9115_05
• Description: Highly Efficient Single- Chip 10/100 Non-PCI Ethernet Controller
• Manufacturer: SMSC [SMSC Corporation]

Revision 1.1 (05-17-05)
TX Com m and 'A'
Buff er End Alignment = 1
Data Start Of fset = 7
First Segment = 1
Last Segment = 0
Buff er Size = 79
TX Com m and 'B'
Packet Length = 111
TX Com m and 'A'
Buff er End Alignment = 1
Data Start Of fset = 0
First Segment = 0
Last Segment = 0
Buff er Size = 15
TX Com m and 'B'
Packet Length = 111
TX Com m and 'A'
Buff er End Alignment = 1
Data Start Of fset = 10
First Segment = 0
Last Segment = 1
Buff er Size = 17
TX Com m and 'B'
Packet Length = 111
31
31
31
Ethernet Controller
Data W ritten to the
7-Byte Data Start Offset
17-Byte Payload Data
5-Byte End Padding
End Offset Padding
Data Start Offset
TX Command 'A'
TX Command 'B'
TX Command 'A'
TX Command 'B'
TX Command 'A'
TX Command 'B'
79-Byte Payload
15-Byte Payload
Pad DW ORD 1
End Padding
10-Byte
10-Byte
10-Byte
Figure 3.15 TX Example 1
DATASHEET
1B
54
0
0
0
Highly Efficient Single-Chip 10/100 Non-PCI Ethernet Controller
Data Passed to the
TX Data FIFO
TX Command 'A'
TX Command 'B'
TX Command 'A'
TX Command 'A'
79-Byte Payload
15-Byte Payload
17-Byte Payload
NOTE: Extra bytes
betw een buff ers are
not transmitted
SMSC LAN9115
Datasheet