參數(shù)資料
型號(hào): 91C100FDREVB
廠商: SMSC Corporation
英文描述: FEAST FAST ETHERNET CONTROLLER WITH FULL DUPLEX CAPABILITY
中文描述: 宴快速以太網(wǎng)控制器以全雙工能力
文件頁(yè)數(shù): 36/68頁(yè)
文件大?。?/td> 423K
代理商: 91C100FDREVB
SMSC DS – LAN91C100FD REV. B
Page 41
Rev. 05/31/2000
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
FIGURE 8 - TX INTR
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