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Pll_bandwidth_preset, Xcvr_rx_dc_gain, Xcvr_analog_settings_protocol – Altera Transceiver PHY IP Core User Manual

Page 599

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PLL_BANDWIDTH_PRESET

Pin Planner and Assignment Editor Name

PLL Bandwidth Preset

Description

Specifies the PLL bandwidth preset setting

Options

Auto

• Low

• Medium

• High

Assign To

PLL instance

XCVR_RX_DC_GAIN

Pin Planner and Assignment Editor Name

Receiver Buffer DC Gain Control

Description

Controls the amount of a stage receive-buffer DC gain.

Options

0 –1

Assign To

Pin - RX serial data

XCVR_ANALOG_SETTINGS_PROTOCOL

Pin Planner and Assignment Editor Name

Transceiver Analog Settings Protocol

Description

Specifies the protocol that a transceiver implements. When you use this setting for fully characterized

devices, the Quartus II software automatically sets the optimal values for analog settings, including the

V

OD

, pre-emphasis, and slew rate. For devices that are not fully characterized, the Quartus II software

specifies these settings using preliminary data. If you assign a value to

XCVR_ANALOG_SETTINGS_PROTOCOL

,

you cannot assign a value for any settings that this parameter controls. For example, for PCIe, the

UG-01080

2015.01.19

PLL_BANDWIDTH_PRESET

19-5

Analog Parameters Set Using QSF Assignments

Altera Corporation

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