Intel Cyclone 10 GX User Manual

Note: Ignore all the pre-emphasis QSF assignments for PCIe Gen1 and Gen2 if your
transceiver link is within the PCI Express spec requirements. Quartus Prime will assign
default values for these parameters.
8.7.1. XCVR_C10_TX_PRE_EMP_SIGN_PRE_TAP_1T
Pin planner or Assignment Editor Name
Transmitter Pre-Emphasis First Pre-Tap Polarity
Description
Controls the polarity of the first pre-tap for pre-emphasis. The default value is
FIR_PRE_1T_NEG.
Table 227. Available Options
Value Description
FIR_PRE_1T_POS Positive pre-tap 1
FIR_PRE_1T_NEG Negative pre-tap 1
Assign To
TX serial data pin.
Syntax
set_instance_assignment -name XCVR_C10_TX_PRE_EMP_SIGN_PRE_TAP_1T
<value> -to <tx_serial_data pin name>
8.7.2. XCVR_C10_TX_PRE_EMP_SIGN_PRE_TAP_2T
Pin Planner or Assignment Editor Name
Transmitter Pre-Emphasis Second Pre-Tap Polarity
Description
Controls the polarity of the second pre-tap for pre-emphasis. The default value is
FIR_PRE_2T_NEG.
Table 228. Available Options
Value Description
FIR_PRE_2T_POS Positive pre-tap 2
FIR_PRE_2T_NEG Negative pre-tap 2
Assign To
TX serial data pin.
Syntax
set_instance_assignment -name XCVR_C10_TX_PRE_EMP_SIGN_PRE_TAP_2T
<value> -to <tx_serial_data pin name>
8. Analog Parameter Settings
UG-20070 | 2018.09.24
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10 GX Transceiver PHY User Guide
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Intel Cyclone 10 GX Specifications

General

Brand	Intel
Model	Cyclone 10 GX
Category	Transceiver
Language	English