Altera Transceiver PHY IP Core Manuel d'utilisateur Page 646

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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
Stratix V Device Datasheet
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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