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Chapter 16: Transceiver Reconfiguration Controller IP Core 16–43
Understanding Logical Channel Numbering
November 2012 Altera Corporation Altera Transceiver PHY IP Core
User Guide
Figure 16–9 illustrates the GUI for the Transceiver Reconfiguration Controller. To
connect the Low Latency PHY IP Core instance to the Transceiver Reconfiguration
Controller, you would enter
64
for Number of reconfiguration interfaces. You would
not need to enter any values for the Optional interface grouping parameter because
all of the interfaces belong to the same transceiver PHY IP core instance.
The Interface Ordering with Multiple Transceiver PHY Instances figure shows a
design with two transceiver PHY IP core instances, each with four channels. For this
design you would enter
16
for the Number of reconfiguration interfaces and 8, 8 for
the Optional interface grouping parameter.
Depending upon the transceiver PHY IP core and the parameters specified, the
number of reconfiguration interfaces varies. For a single-channel, RX-only transceiver
instance, there is a single reconfiguration interface. One reconfiguration interface is
created for a single-channel Low Latency PHY setup as a RX only channel. Two
reconfiguration interfaces are created for a single-channel Custom PHY setup as a
duplex channel. The reconfiguration interfaces do not appear as separate buses, but as
a single bus of concatenated reconfiguration interfaces, that grows linearly with the
number of reconfiguration interfaces.
Figure 16–9. Transceiver Reconfiguration Controller Interface Bundles
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