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

Page 622

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CDR_BANDWIDTH_PRESET

Pin Planner and Assignment Editor Name

CDR Bandwidth Preset

Description

Specifies the CDR bandwidth preset setting

Options

Auto

• Low

• Medium

• High

Assign To

PLL instance

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_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

,

19-28

CDR_BANDWIDTH_PRESET

UG-01080

2015.01.19

Altera Corporation

Analog Parameters Set Using QSF Assignments

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