Parameterized static burstmax value, Parameterized static burstshort value – Altera Interlaken MegaCore Function User Manual
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Chapter 3: Parameter Settings
Burst Parameters
Interlaken MegaCore Function
June 2012
Altera Corporation
User Guide
Enable Dynamic Configuration of BurstMax and BurstShort Parameters
Turn on the Enable dynamic burst parameters parameter to enable dynamic
configuration of the BurstMax and BurstShort Interlaken parameters. If you turn on
this option, your Interlaken MegaCore function has additional input ports you set
dynamically to the desired values of the two Interlaken parameters. Supported values
are BurstMax values of 128 and 256 bytes and BurstShort values of 32 and 64 bytes.
Dynamic configuration of BurstShort is restricted to 12-lane, 10.3125 Gbps and 20-lane
Interlaken MegaCore function variations, that is, the variations with a 512-bit wide
channel datapath. In other variations, whether you turn on Enable dynamic burst
parameters
or not, BurstShort has a static value.
Refer to
for information about the input ports for dynamic
configuration of BurstMax and BurstShort.
Parameterized Static BurstMax Value
If you disable dynamic configuration of the BurstMax and BurstShort parameters, you
can specify the static value of BurstMax that is configured in your Interlaken
MegaCore function with the BURST MAX length in bytes parameter. This parameter
is available if you turn off Enable dynamic burst parameters. Supported static
BurstMax length values are 128 bytes and 256 bytes.
Parameterized Static BurstShort Value
If you turn off Enable dynamic burst parameters, you can specify the static value of
BurstShort that is configured in your 12-lane, 10.3125 Gbps or 20-lane Interlaken
variation. In these Interlaken variations, the default value of the BurstShort Interlaken
parameter is 32 bytes, but you can specify with the BURST SHORT length in bytes
parameter that it be set to 64 bytes instead.
In other Interlaken MegaCore variations, if you turn off Enable dynamic burst
parameters
, the static value of BurstShort is 16 bytes in variations with a 128-bit
datapath, and 32 bytes in variations with a 256-bit datapath, as shown in
.