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Xcvr_tx_common_mode_voltage, Xcvr_tx_pre_emp_1st_post_tap – Altera Transceiver PHY IP Core User Manual

Page 626

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The signal detect output is high when the receiver peak-to-peak differential voltage (diff p-p) > V

th

x 4.

For example, a setting of 6 translates to peak-to-peak differential voltage of 180mV (4*45mV). The V

diff p-

p

must be > 180mV to turn on the signal detect circuit.

Options

• 0-7

3

Assign To

Pin - RX serial data

XCVR_TX_COMMON_MODE_VOLTAGE

Pin Planner and Assignment Editor Name

Transmitter Common Mode Driver Voltage

Description

Transmitter common-mode driver voltage.
Note: Contact Altera for using this assignment.

Related Information

How to Contact Altera

on page 21-42

XCVR_TX_PRE_EMP_1ST_POST_TAP

Pin Planner and Assignment Editor Name

Transmitter Pre-emphasis First Post-Tap

Description

Specifies the first post-tap setting value.
Note: Legal values for this parameter vary with the data pattern and data rate. Refer to the Cyclone V

Device Datasheet for more information.

Options

0–31

Assign To

Pin - TX serial data

Related Information

Cyclone V Device Datasheet

19-32

XCVR_TX_COMMON_MODE_VOLTAGE

UG-01080

2015.01.19

Altera Corporation

Analog Parameters Set Using QSF Assignments

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