CHAPTER 21:Ethernet MAC
S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
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[bit1] frame_received: Frame received
One or more frames have been received and placed in memory. This bit is cleared by writing "1" to it.
[bit0] buffer_not_available: Buffer not available
An attempt was made to get a new buffer and the pointer indicated that it was owned by the processor.
The RX DMA will reread the pointer each time an end of frame is received until a valid pointer is found.
This bit is set following each descriptor read attempt that fails, even if consecutive pointers are
unsuccessful and software has in the mean time cleared the status flag. This bit is cleared by writing "1"
to it.
Содержание S6J3200 Series
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