參數(shù)資料
型號: LAN91C100FDTQFP
廠商: STANDARD MICROSYSTEMS CORP
元件分類: 微控制器/微處理器
英文描述: FEAST FAST ETHERNET CONTROLLER WITH FULL DUPLEX CAPABILITY
中文描述: 2 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PQFP208
封裝: TQFP-208
文件頁數(shù): 47/79頁
文件大?。?/td> 585K
代理商: LAN91C100FDTQFP
FEAST Fast Ethernet Controller with Full Duplex Capability
SMSC DS – LAN91C100FD Rev. D
Page 47
Rev.
10/14/2002
PRELIMINARY
Figure 5.5 - TX INTR
Write Into Packet Number
Register
TX Status
OK
TX INTR
Save Pkt Number Register
Read TXDONE Pkt # from
FIFO Ports Reg.
Immediately Issue "Release"
Command
Acknowledge TXINTR
Read TX INT Again
Return to ISR
No
Yes
Read Status Word from RAM
Update Statistics
Re-Enable TXENA
Update Variables
TX INT = 0
Restore Packet Number
Yes
No
Write Address Pointer Register
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