lan83c175 Standard Microsystems Corp., lan83c175 Datasheet - Page 22

• Manufacturer Part Number: lan83c175
• Description: Ethernet Cardbus Integrated Controller With Modem Support Corporation
• Manufacturer: Standard Microsystems Corp.

to queue the header descriptor for the next
frame. After the header descriptor is queued,
the software may set RXQUEUED again to
guarantee that the header descriptor is
recognized.
copying the first frame, it will immediately read
the next descriptor and may begin copying the
next header without waiting for the software to
respond to an interrupt.
When the DMA is finished
22
Note:
Figure 4 shows an example of the Receive Buffer
Structure, and Figure 4 shows a flow diagram for
the Receive Buffering Method.
Software must never set NEXTFRAME
more than once per frame. NEXTFRAME
may only be set when
progress or has already been completed.
the copy is in