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Xcvr_rx_dc_gain, Xcvr_rx_linear_equalizer_control – Altera Transceiver PHY IP Core User Manual

Page 623

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

XCVR_ANALOG_SETTINGS_PROTOCOL

assigns a value to

XCVR_RX_BYPASS_EQ_STAGES_234

. If you also

assign a value to this parameter, a Quartus II Fitter error results as shown in the following example:

Example 19-3: Error (21215)

Error resolving parameter "pm_rx_sd_bypass_eqz_stages_234" value
on instance "pci_interface_ddf2:u_pci_interface_2|
PCIE_8x8Gb_HARDIP_2:PCIe2_Interface.U_PCIE_CORE|
altpcie_sv_hip_ast_hwtcl:pcie_8x8gb_hardip_2_inst|
altpcie_hip_256_pipen1b:altpcie_hip_256_pipen1b
|sv_xcvr_pipe_native:g_xcvr.sv_xcvr_pipe_native|sv_xcvr_native:
inst_sv_xcvr_native|sv_pma:inst_sv_pma|sv_rx_pma:rx_pma.
sv_rx_pma_inst|rx_pmas[8].rx_pma.rx_pma_buf": Only one QSF
setting for the parameter is allowed.

Options

The following protocol values are defined:
• BASIC

• CPRI

• PCIE_GEN1

• PCIE_GEN2

• SRIO

• XAUI

Assign To

Pin - TX and RX serial data

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_RX_LINEAR_EQUALIZER_CONTROL

Pin Planner and Assignment Editor Name

Receiver Linear Equalizer Control

UG-01080

2015.01.19

XCVR_RX_DC_GAIN

19-29

Analog Parameters Set Using QSF Assignments

Altera Corporation

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