參數(shù)資料
型號: STE10/100E
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 1 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PQFP128
封裝: 14 X 20 MM, 2.70 MM HEIGHT, PLASTIC, QFP-128
文件頁數(shù): 41/66頁
文件大?。?/td> 396K
代理商: STE10/100E
STE10/100A
46/66
6.3 Transmit Scheme and Transmit Early Interrupt
6.3.1 Transmit flow
Figure 9. The flow of packet transmit is shown as below.
Own = 1
Initialize descriptor
Place data in host memory
Set Own bit to 1
Write Tx demand poll command
Transfer data to Tx FIFO
Exit
STE10/100
checks descriptor
Deferring OR data less
than Tx threshold?
Transmit data
across line
Collision
occurred?
Write descriptor
Generate interrupt
Back-off
Own = 0
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