Altera UG-01080 Guía de usuario Pagina 419

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Chapter 16: Transceiver Reconfiguration Controller IP Core 16–41
Understanding Logical Channel Numbering
November 2012 Altera Corporation Altera Transceiver PHY IP Core
User Guide
Understanding Logical Channel Numbering
This discussion of channel numbering, uses the following definitions:
Reconfiguration interface—A bundle of signals that connect the Transceiver
Reconfiguration Controller to a transceiver PHY data channel or TX PLL.
Logical channels—An abstract representation of a channel or TX PLL that does not
include physical location information.
Bonded channel—A channel that shares a clock source with at least one other
channel.
Physical channel—The physical channel associated with a logical channel.
Figure 16–7 illustrates the connections between the Transceiver Reconfiguration
Controller and a transceiver bank after running the Quartus II Fitter.
The transceiver PHY IP cores create a separate reconfiguration interface for each
channel and each TX PLL. Each transceiver PHY IP core reports the number of
reconfiguration interfaces it requires in the message pane of its GUI. You must take
note of this number so that you can enter it as a parameter in the Transceiver
Reconfiguration Controller.
Example 16–11. (continued)
#Setting data register with the third data record
write_32 0x3C 16'b1000000111010100
#Writing third data record to the Streamer
write_32 0x3A 0x5
#Read the busy bit to determine when the operation completes
read_32 0x3a
Figure 16–7. Post-Fit Connectivity
Transceiver
Reconfiguration
Controller
Transceiver Bank
3 Channels
3 Channels
Channel 2
Channel 1
Channel 0
Channel 3
Channel 5
Channel 4
S
M
to Embedded
Processor
Reconfig to
and from
Transceiver
Stratix V GX, GS, or GT Device
S
S
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