
DefaultDescriptionParameter
10: Disables padding.
1: If the length of frames generated by the GMII/RGMII/MII Ethernet
frame generator is less than the minimum frame length (64 bytes), the
generator inserts padding bytes to the frames to make up the minimum
length.
TB_ENA_PADDING
00: Only basic frames are generated.
1: Enables VLAN frames generation. This value specifies the number
of basic frames generated before a VLAN frame is generated followed
by a stacked VLAN frame.
TB_ENA_VLAN
0Specifies the number of packets to be read from the receive FIFO before
reading is suspended. You can use this parameter to test FIFO overflow
and flow control.
TB_STOPREAD
1000Specifies the number of clock cycles before the Avalon-ST monitor
stops reading from the receive FIFO.
TB_HOLDREAD
00: Normal behavior.
1: Drives the Avalon-ST error signal high to simulate erroneous frames
transmission.
TB_TX_FF_ERR
0Specifies the number of clock cycles from the start of simulation before
the xoff_gen signal is driven.
TB_TRIGGERXOFF
0Specifies the number of clock cycles from the start of simulation before
the xon_gen signal is driven high.
TB_TRIGGERXON
0Specifies which frame is received with collision. Valid in fast Ethernet
and half-duplex mode only.
RX_COL_FRM
0Specifies which nibble within the frame collision occurs.RX_COL_GEN
0Specifies which frame is transmitted with a collision. Valid in fast
Ethernet and half-duplex mode only.
TX_COL_FRM
0Specifies which nibble within the frame collision occurs on the transmit
path.
TX_COL_GEN
0Specifies the number of consecutive collisions during retransmission.TX_COL_NUM
0Specifies the delay, in nibbles, between collision and retransmission.TX_COL_DELAY
10: GMII frame generator does not respond to pause frames.
1: Enables flow control in the GMII frame generator.
TB_PAUSECONTROL
0Enable / Disable MDIO simulation.TB_MDIO_SIMULATION
Supported in configurations that contain the 1000BASE-X/SGMII PCS
00: Disables half-duplex mode.
1: Enables half-duplex mode.
TB_SGMII_HD
Simulation Parameters
Altera Corporation
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UG-01008
Test Configuration Parameters
B-4
2014.06.30
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