3 receive datapath control register (rx_dp_ctrl), Receive datapath control register (rx_dp_ctrl), Section 14.2.2.3 – SMSC LAN9312 User Manual

Page 183: Datasheet

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High Performance Two Port 10/100 Managed Ethernet Switch with 32-Bit Non-PCI CPU Interface

Datasheet

SMSC LAN9312

183

Revision 1.4 (08-19-08)

DATASHEET

14.2.2.3

Receive Datapath Control Register (RX_DP_CTRL)

This register is used to discard unwanted receive frames.

Offset:

078h

Size:

32 bits

BITS

DESCRIPTION

TYPE

DEFAULT

31

RX Data FIFO Fast Forward (RX_FFWD)
Writing a 1 to this bit causes the RX Data FIFO to fast-forward to the start
of the next frame. This bit will remain high until the RX Data FIFO fast-
forward operation has completed. No reads should be issued to the RX Data
FIFO while this bit is high.

Note:

Please refer to section

Section 9.9.1.1, "Receive Data FIFO Fast

Forward," on page 134

for detailed information regarding the use

of RX_FFWD.

R/W

SC

0h

30:0

RESERVED

RO

-

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