Altera Transceiver PHY IP Core Manual de usuario descargar pdf (Pagina 165)

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101

• Transceiver Architecture in Stratix V Devices

XAUI PHY Dynamic Reconfiguration for Arria II GX, Cyclone IV GX,

HardCopy IV GX, and Stratix IV GX

The Arria II GX, Cyclone IV GX, HardCopy IV GX, and Stratix IV GX use the ALTGX_RECONFIG

Mega function for transceiver reconfiguration.

For more information about the ALTGX_RECONFIG Megafunction, refer to ALTGX_RECONFIG

Megafunction User Guide for Stratix IV Devices in volume 2 of the Stratix IV Device Handbook.

If your XAUI PHY IP Core includes a single transceiver quad, these signals are internal to the core. If your

design uses more than one quad, the reconfiguration signals are external.

Table 6-16: Dynamic Reconfiguration Interface Arria II GX, Cyclone IV GX, HardCopy IV GX, and Stratix IV

GX devices

Signal Name Direction Description

reconfig_to_xcvr[3:0] Input Reconfiguration signals from the Transceiver Reconfigu‐

ration IP Core to the XAUI transceiver.

reconfig_from_xcvr[<n>:0] Output Reconfiguration signals from the XAUI transceiver to the

Transceiver Reconfiguration IP Core. The size of this bus

is depends on the device. For the soft PCS in Stratix IV GX

and GT devices, <n> = 68 bits. For hard XAUI variants,

<n> = 16. For Stratix V devices, the number of bits

depends on the number of channels specified. Refer to

Chapter 16, Transceiver Reconfiguration Controller IP

Core for more information.

Related Information

• Transceiver Reconfiguration Controller IP Core Overview on page 16-1

• ALTGX_RECONFIG Megafunction User Guide for Stratix IV Devices

XAUI PHY Dynamic Reconfiguration for Arria V, Arria V GZ, Cyclone V and

Stratix V Devices

The Arria V, Arria V GZ, Cyclone V, and Stratix V devices use the Transceiver Reconfiguration

Controller IP Core for dynamic reconfiguration.

For more information about this IP core, refer to Chapter 16, Transceiver Reconfiguration Controller IP

Core.

Each channel and each TX PLL have separate dynamic reconfiguration interfaces. The MegaWizard Plug-

In Manager provides informational messages on the connectivity of these interfaces.

UG-01080

2015.01.19

XAUI PHY Dynamic Reconfiguration for Arria II GX, Cyclone IV GX, HardCopy IV GX,

and Stratix IV GX

6-25

XAUI PHY IP Core

Altera Corporation

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