Altera UG-01080 Guía de usuario Pagina 471

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Additional InformationAdditional Information 20–5
Revision History
November 2012 Altera Corporation Altera Transceiver PHY IP Core
User Guide
Interlaken
June 2012 1.7
Added support for custom, user-defined, data rates.
Added the following QSF settings to all transceiver PHY:
XCVR_TX_PRE_EMP_PRE_TAP_USER
,
XCVR_TX_PRE_EMP_2ND_POST_TAP_USER
, and 11
new settings for GT transceivers.
Changed the default value for
XCVR_REFCLK_PIN_TERMINATION
from
DC_coupling_internal_100_Ohm to AC_coupling.
Updated the definition of
tx_sync_done
. It is no longer necessary to send pre-fill data
before
tx_sync_done
and
tx_ready
are asserted.
Updated definition of
tx_datain_bp<n>
.
Added arrows indicating Transceiver Reconfiguration Controller IP Core connection to block
diagram.
Changed the maximum frequency of
phy_mgmt_clk
to 150 MHz if the same clock is used
for the Transceiver Reconfiguration Controller IP Core.
Clarified signal definitions.
Added the following restriction in the dynamic reconfiguration section: three channels share
an Avalon-MM slave interface which must connect to the same Transceiver Reconfiguration
Controller IP Core.
PCI Express (PIPE)
June 2012 1.7
Added the following QSF settings to all transceiver PHY:
XCVR_TX_PRE_EMP_PRE_TAP_USER
,
XCVR_TX_PRE_EMP_2ND_POST_TAP_USER
, and 11
new settings for GT transceivers.
Added reference Stratix V Transceiver Architecture chapter for detailed explanation of PCS
blocks.
Changed the default value for
XCVR_REFCLK_PIN_TERMINATION
from
DC_coupling_internal_100_Ohm to AC_coupling.
Corrected definition of
tx_bitslipboundary_select
register.
Changed pipe_rate signal to 2 bits.
Added the following restriction in the dynamic reconfiguration section: three channels share
an Avalon-MM slave interface which must connect to the same Transceiver Reconfiguration
Controller IP Core.
Date Version Changes Made
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