Xilinx LogiCORE IP MAC v8.5 User Manual page 27

Core Interfaces
Receiver Interface
Table 2-2
used by to transfer data to the client. See
Table 2-2: Receive Client Interface Signal Pins
rx_data[7:0]
rx_data_valid
rx_good_frame
rx_bad_frame
rx_statistics_vector[27:0]
rx_statistics_valid
Flow Control Interface
Table 2-3
transmit engine. See
Table 2-3: Flow Control Interface Signal Pinout
pause_req
pause_val[15:0]
1-Gigabit Ethernet MAC v8.5 User Guide
UG144 April 24, 2009
-- DISCONTINUED PRODUCT --
describes the client-side receiver signals of the GEMAC core. These signals are
Signal Direction
Output
Output
Output
Output
Output
Output
describes the signals used by the client to request a flow control action from the
"Using Flow Control," on page
Signal Direction Clock Domain
Input
Input
www.xilinx.com
"Receiving Inbound Frames," on page
Clock Domain
gmii_rx_clk Frame data received is
supplied on this port.
gmii_rx_clk Control signal for the rx_data
port.
gmii_rx_clk Asserted at end of frame
reception to indicate that the
frame should be processed by
the MAC client.
gmii_rx_clk Asserted at end of frame
reception to indicate that the
frame should be discarded by
the MAC client.
gmii_rx_clk Provides statistical
information about the last
frame received.
gmii_rx_clk Asserted at end of frame
reception, indicating that the
rx_statistics_vector is valid.
53.
gtx_clk Pause request. sends a pause
frame down the link.
gtx_clk Pause value; inserted into the
parameter field of the
transmitted pause frame.
R
39.
Description
Description
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