AN983B Datasheet, PDF (64/91 Pages) List of Unclassifed Manufacturers – PCI/miniPCI-to-Ethernet LAN Controller

AN983B PCI/miPCI Fast Ethernet Controller with integrated PHY
FIFO-to-host memory operation
The size of 1st descriptor is
programed as the header
size in advance
the1st the2nddescriptor
descriptor
is full
end of packet issue
the second interrupt
receive early interrupt
driver read header(early)
higher layer process(early)
driver read the rest data
time
Fig - 13 Detailed receive early interrupt flow
finish time
Rev. 1.8
ADMtek Inc.
www.admtek.com.tw