LAN9115-MD SMSC, LAN9115-MD Datasheet - Page 54

• Manufacturer Part Number: LAN9115-MD
• Description: Ethernet ICs Efficient Sngl Chip 10/100 Ethrnt
• Manufacturer: SMSC
• Type: Single Chip MAC and PHYr

Specifications of LAN9115-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): 1.8 V
• Maximum Operating Temperature: + 70 C
• Package / Case: TQFP-100
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Revision 1.5 (07-11-08)
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
Note 3.16 The LAN9115 host bus interface supports 16-bit bus transfers; internally, all data paths are
32-bits wide.
atomic 16-bit transactions.
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
Figure 3.15
10-Byte
10-Byte
10-Byte
Figure 3.15 TX Example 1
DATASHEET
and
1B
54
Figure 3.16
0
0
0
Highly Efficient Single-Chip 10/100 Non-PCI Ethernet Controller
describe the host write ordering for pairs of
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