Xcvr_tx_vod_pre_emp_ctrl_src – Altera Transceiver PHY IP Core User Manual
Page 646

Description
Differential output voltage setting. The values are monotonically increasing with the driver main tap
current strength.
Note: This parameter must be set in conjunction with
XCVR_TX_PRE_EMP_1ST_POST_TAP
,
XCVR_TX_PRE_EMP_2ND_POST_TAP
, and
XCVR_TX_PRE_EMP_PRE_TAP
. All combinations of these
settings are not legal. Refer to the Stratix V Device Datasheet for more information.
Options
• 0–63
• 50
Assign To
Pin - TX serial data
Related Information
XCVR_TX_VOD_PRE_EMP_CTRL_SRC
Pin Planner and Assignment Editor Name
Transmitter V
OD
Pre-emphasis Control Source
Description
When set to
DYNAMIC_CTL
, the PCS block controls the V
OD
and pre-emphasis coefficients for PCI
Express. When this assignment is set to
RAM_CTL
the V
OD
and pre-emphasis are controlled by other
assignments, such as
XCVR_TX_PRE_EMP_1ST_POST_TAP
.
Options
• DYNAMIC_CTL: for PCI Express
• RAM_CTL: for all other protocols
Assign To
Pin - TX serial data
19-52
XCVR_TX_VOD_PRE_EMP_CTRL_SRC
UG-01080
2015.01.19
Altera Corporation
Analog Parameters Set Using QSF Assignments
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