參數(shù)資料
型號: GCIXF1002ED
英文描述: Controller Miscellaneous - Datasheet Reference
中文描述: 控制器雜項-數(shù)據(jù)表參考
文件頁數(shù): 58/128頁
文件大?。?/td> 1262K
代理商: GCIXF1002ED
Intel
IXF1002 Dual Port Gigabit Ethernet Controller
58
Datasheet
3.4.3
Interrupt Handling Sequence
Following interrupt, the subsequent sequence must be used to reset the interrupt:
1. If both ports are sharing the same interrupt line, perform steps 2 to 4 for each port that
generates an interrupt.
2. Read the port interrupt status register (INT_STT) and act according to the interrupt cause.
3. If the packet event bit is set (INT_STT<PKEVE>), read the transmit and receive status register
(TX_RX_STT) and act according to the interrupt cause. If the counter overflow bit is set
(INT_STT<OVFC>), read the counter overflow status registers (TX_OV_STT and
RX_OV_STT) to find out which counter has reached its highest possible value.
4. If the port was programmed to stop or underflowed while TX_RX_ERR<UNFS>=1, resume
transmission by writing a value.
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