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Xcvr_tx_vcm_ctrl_src – Altera Quartus II Settings File User Manual

Page 881

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XCVR_TX_VCM_CTRL_SRC

Controls the VCM driver (pulldown/pullup) dynamically from user signals when you set this assignment

to DYNAMIC_CTL for QPI protocol. The default setting (RAM_CTL) causes the

XCVR_TX_COMMON_MODE_VOLTAGE assignment to determine the state of the VCM driver.

Type

Enumeration

Values

• DYNAMIC_CTL

• RAM_CTL

Device Support

This setting can be used in projects targeting any Altera device family.

Notes

This assignment supports Fitter wildcards.

Syntax

set_instance_assignment -name XCVR_TX_VCM_CTRL_SRC -to -entity name>

MNL-Q21005

2015.05.04

XCVR_TX_VCM_CTRL_SRC

881

Quartus Settings File Reference Manual

Altera Corporation

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