LAN91C100-FD View Datasheet(PDF) - SMSC -> Microchip
Part Name
Description
MFG CO.
'LAN91C100-FD' PDF : 78 Pages View PDF
FEAST Fast Ethernet Controller with Full Duplex Capability
TX INTR
Save Pkt Number Register
Read TXDONE Pkt # from
FIFO Ports Reg.
Write Into Packet Number
Register
Write Address Pointer Register
Read Status Word from RAM
Yes
TX Status
No
OK?
Update Statistics
Re-Enable TXENA
Immediately Issue "Release"
Command
Update Variables
Acknowledge TXINTR
Read TX INT Again
No
TX INT = 0?
Yes
Restore Packet Number
Return to ISR
Figure 5.5 - TX INTR
SMSC DS – LAN91C100FD Rev. D
Page 47
DATASHEET
Rev. 01-20-06
Share Link: 
