Altera Low Latency Ethernet 10G MAC - Manual (Page 13)

Related Information
• Parameter Settings on page 2-4
Parameter Settings
You customize the MAC IP core by specifying the parameters on the parameter editor in the Quartus II
software. The parameter editor enables only the parameters that are applicable to the selected speed.
Parameter Value Description
Speed 10G, 1G/10G, 10M/
100M/1G/10G
Select the desired speed. By default, 10 Gbps is
selected.
If you turn on the Enable 10GBASE-R register
mode parameter, only 10 Gbps is available.
Datapath options TX only, RX only, TX &
RX
Select the MAC variation to instantiate.
• TX only—instantiates MAC TX.
• RX only—instantiates MAC RX.
• TX & RX—instantiates both MAC TX and
RX.
If you turn on the Enable 10GBASE-R register
mode parameter, only the TX & RX option is
available.
Enable ECC on memory
blocks
On, Off Turn on this option to enable error detection
and correction on memory blocks.
Enable preamble pass-
through mode
On, Off Turn on this option to enable preamble pass-
through mode. You must also set the
tx_
preamble_control
,
rx_preamble_control
,
and
rx_custom_preamble_forward
registers to
1. When enabled, the MAC IP core allows
custom preamble in data frames on the
transmit and receive datapaths.
This parameter applies only to 10Gbps MAC
variations.
This parameter is not available if you turn on
the Enable 10GBASE-R register mode
parameter.
Enable priority-based flow
control (PFC)
On, Off Turn on this option to enable PFC. You must
also set the
tx_pfc_priority_enable[n]
bit to
1 and specify the number of priority queues in
the Number of PFC queues field.
This parameter applies only to 10Gbps MAC
variations.
This parameter is not available if you turn on
the Enable 10GBASE-R register mode
parameter.
2-4 Parameter Settings
UG-01144
2014.12.15
Altera Corporation Getting Started with LL Ethernet 10G MAC
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